Home / 30,547,983.20-42,155,920.43-16,609,338.11

Finding the Fourth Proportional to 30,547,983.20, 42,155,920.43 and 16,609,338.11

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Solution

The fourth proportional to 30,547,983.20, 42,155,920.43 and 16,609,338.11 is: 22,920,725.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,547,983.20 : 42,155,920.43 = 16,609,338.11 : x
  2. Step 2: Convert to fraction form
    30,547,983.20/42,155,920.43 = 16,609,338.11/x
  3. Step 3: Cross multiply
    30,547,983.20x = 42,155,920.43 × 16,609,338.11
  4. Step 4: Simplify right side
    30,547,983.20x = 700,181,935,466,300.25
  5. Step 5: Solve for x
    x = 700,181,935,466,300.25/30,547,983.20
  6. Step 6: Final answer
    x = 22,920,725.44

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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.