Home / 12,483,341.28-18,719,694.96-4,904,991.12

Finding the Fourth Proportional to 12,483,341.28, 18,719,694.96 and 4,904,991.12

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Solution

The fourth proportional to 12,483,341.28, 18,719,694.96 and 4,904,991.12 is: 7,355,397.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483,341.28 : 18,719,694.96 = 4,904,991.12 : x
  2. Step 2: Convert to fraction form
    12,483,341.28/18,719,694.96 = 4,904,991.12/x
  3. Step 3: Cross multiply
    12,483,341.28x = 18,719,694.96 × 4,904,991.12
  4. Step 4: Simplify right side
    12,483,341.28x = 91,819,937,547,908.77
  5. Step 5: Solve for x
    x = 91,819,937,547,908.77/12,483,341.28
  6. Step 6: Final answer
    x = 7,355,397.52

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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.