Home / 15,287,419.07-21,097,220.40-8,762,307.74

Finding the Fourth Proportional to 15,287,419.07, 21,097,220.40 and 8,762,307.74

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Solution

The fourth proportional to 15,287,419.07, 21,097,220.40 and 8,762,307.74 is: 12,092,318.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,287,419.07 : 21,097,220.40 = 8,762,307.74 : x
  2. Step 2: Convert to fraction form
    15,287,419.07/21,097,220.40 = 8,762,307.74/x
  3. Step 3: Cross multiply
    15,287,419.07x = 21,097,220.40 × 8,762,307.74
  4. Step 4: Simplify right side
    15,287,419.07x = 184,860,337,454,108.25
  5. Step 5: Solve for x
    x = 184,860,337,454,108.25/15,287,419.07
  6. Step 6: Final answer
    x = 12,092,318.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.