Home / 19,798,694.60-29,698,041.90-9,720,998.60

Finding the Fourth Proportional to 19,798,694.60, 29,698,041.90 and 9,720,998.60

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Solution

The fourth proportional to 19,798,694.60, 29,698,041.90 and 9,720,998.60 is: 14,581,497.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,798,694.60 : 29,698,041.90 = 9,720,998.60 : x
  2. Step 2: Convert to fraction form
    19,798,694.60/29,698,041.90 = 9,720,998.60/x
  3. Step 3: Cross multiply
    19,798,694.60x = 29,698,041.90 × 9,720,998.60
  4. Step 4: Simplify right side
    19,798,694.60x = 288,694,623,732,641.31
  5. Step 5: Solve for x
    x = 288,694,623,732,641.31/19,798,694.60
  6. Step 6: Final answer
    x = 14,581,497.90

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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.