Home / 18,429,547.20-27,644,320.80-8,843,294.40

Finding the Fourth Proportional to 18,429,547.20, 27,644,320.80 and 8,843,294.40

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Solution

The fourth proportional to 18,429,547.20, 27,644,320.80 and 8,843,294.40 is: 13,264,941.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,429,547.20 : 27,644,320.80 = 8,843,294.40 : x
  2. Step 2: Convert to fraction form
    18,429,547.20/27,644,320.80 = 8,843,294.40/x
  3. Step 3: Cross multiply
    18,429,547.20x = 27,644,320.80 × 8,843,294.40
  4. Step 4: Simplify right side
    18,429,547.20x = 244,466,867,322,443.53
  5. Step 5: Solve for x
    x = 244,466,867,322,443.53/18,429,547.20
  6. Step 6: Final answer
    x = 13,264,941.60

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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.