Home / 15,513,007.45-21,407,259.43-8,892,849.93

Finding the Fourth Proportional to 15,513,007.45, 21,407,259.43 and 8,892,849.93

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Solution

The fourth proportional to 15,513,007.45, 21,407,259.43 and 8,892,849.93 is: 12,271,736.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,513,007.45 : 21,407,259.43 = 8,892,849.93 : x
  2. Step 2: Convert to fraction form
    15,513,007.45/21,407,259.43 = 8,892,849.93/x
  3. Step 3: Cross multiply
    15,513,007.45x = 21,407,259.43 × 8,892,849.93
  4. Step 4: Simplify right side
    15,513,007.45x = 190,371,545,581,612.41
  5. Step 5: Solve for x
    x = 190,371,545,581,612.41/15,513,007.45
  6. Step 6: Final answer
    x = 12,271,736.88

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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.