Home / 11,147,430.30-16,721,145.45-9,730,254.30

Finding the Fourth Proportional to 11,147,430.30, 16,721,145.45 and 9,730,254.30

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Solution

The fourth proportional to 11,147,430.30, 16,721,145.45 and 9,730,254.30 is: 14,595,381.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,147,430.30 : 16,721,145.45 = 9,730,254.30 : x
  2. Step 2: Convert to fraction form
    11,147,430.30/16,721,145.45 = 9,730,254.30/x
  3. Step 3: Cross multiply
    11,147,430.30x = 16,721,145.45 × 9,730,254.30
  4. Step 4: Simplify right side
    11,147,430.30x = 162,700,997,415,787.94
  5. Step 5: Solve for x
    x = 162,700,997,415,787.94/11,147,430.30
  6. Step 6: Final answer
    x = 14,595,381.45

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.