Home / 10,905,223.40-16,357,835.10-8,779,459.40

Finding the Fourth Proportional to 10,905,223.40, 16,357,835.10 and 8,779,459.40

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Solution

The fourth proportional to 10,905,223.40, 16,357,835.10 and 8,779,459.40 is: 13,169,189.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,905,223.40 : 16,357,835.10 = 8,779,459.40 : x
  2. Step 2: Convert to fraction form
    10,905,223.40/16,357,835.10 = 8,779,459.40/x
  3. Step 3: Cross multiply
    10,905,223.40x = 16,357,835.10 × 8,779,459.40
  4. Step 4: Simplify right side
    10,905,223.40x = 143,612,949,132,344.94
  5. Step 5: Solve for x
    x = 143,612,949,132,344.94/10,905,223.40
  6. Step 6: Final answer
    x = 13,169,189.10

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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.