Home / 20,158,862.20-30,238,293.30-13,356,417.40

Finding the Fourth Proportional to 20,158,862.20, 30,238,293.30 and 13,356,417.40

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Solution

The fourth proportional to 20,158,862.20, 30,238,293.30 and 13,356,417.40 is: 20,034,626.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,158,862.20 : 30,238,293.30 = 13,356,417.40 : x
  2. Step 2: Convert to fraction form
    20,158,862.20/30,238,293.30 = 13,356,417.40/x
  3. Step 3: Cross multiply
    20,158,862.20x = 30,238,293.30 × 13,356,417.40
  4. Step 4: Simplify right side
    20,158,862.20x = 403,875,266,778,423.44
  5. Step 5: Solve for x
    x = 403,875,266,778,423.44/20,158,862.20
  6. Step 6: Final answer
    x = 20,034,626.10

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1.5x scale

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.