Home / 42,534,497.70-63,801,746.55-13,783,539.60

Finding the Fourth Proportional to 42,534,497.70, 63,801,746.55 and 13,783,539.60

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Solution

The fourth proportional to 42,534,497.70, 63,801,746.55 and 13,783,539.60 is: 20,675,309.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,534,497.70 : 63,801,746.55 = 13,783,539.60 : x
  2. Step 2: Convert to fraction form
    42,534,497.70/63,801,746.55 = 13,783,539.60/x
  3. Step 3: Cross multiply
    42,534,497.70x = 63,801,746.55 × 13,783,539.60
  4. Step 4: Simplify right side
    42,534,497.70x = 879,413,900,121,088.38
  5. Step 5: Solve for x
    x = 879,413,900,121,088.38/42,534,497.70
  6. Step 6: Final answer
    x = 20,675,309.40

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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.