Home / 10,905,208.40-16,357,812.60-8,779,444.40

Finding the Fourth Proportional to 10,905,208.40, 16,357,812.60 and 8,779,444.40

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Solution

The fourth proportional to 10,905,208.40, 16,357,812.60 and 8,779,444.40 is: 13,169,166.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,905,208.40 : 16,357,812.60 = 8,779,444.40 : x
  2. Step 2: Convert to fraction form
    10,905,208.40/16,357,812.60 = 8,779,444.40/x
  3. Step 3: Cross multiply
    10,905,208.40x = 16,357,812.60 × 8,779,444.40
  4. Step 4: Simplify right side
    10,905,208.40x = 143,612,506,227,319.44
  5. Step 5: Solve for x
    x = 143,612,506,227,319.44/10,905,208.40
  6. Step 6: Final answer
    x = 13,169,166.60

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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.