Home / 30,354,569.28-45,531,931.68-12,403,673.28

Finding the Fourth Proportional to 30,354,569.28, 45,531,931.68 and 12,403,673.28

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Solution

The fourth proportional to 30,354,569.28, 45,531,931.68 and 12,403,673.28 is: 18,605,541.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,354,569.28 : 45,531,931.68 = 12,403,673.28 : x
  2. Step 2: Convert to fraction form
    30,354,569.28/45,531,931.68 = 12,403,673.28/x
  3. Step 3: Cross multiply
    30,354,569.28x = 45,531,931.68 × 12,403,673.28
  4. Step 4: Simplify right side
    30,354,569.28x = 564,763,204,366,001.50
  5. Step 5: Solve for x
    x = 564,763,204,366,001.50/30,354,569.28
  6. Step 6: Final answer
    x = 18,605,541.69

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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.