Home / 31,506,719.40-47,260,079.10-7,572,191.40

Finding the Fourth Proportional to 31,506,719.40, 47,260,079.10 and 7,572,191.40

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Solution

The fourth proportional to 31,506,719.40, 47,260,079.10 and 7,572,191.40 is: 11,358,287.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,506,719.40 : 47,260,079.10 = 7,572,191.40 : x
  2. Step 2: Convert to fraction form
    31,506,719.40/47,260,079.10 = 7,572,191.40/x
  3. Step 3: Cross multiply
    31,506,719.40x = 47,260,079.10 × 7,572,191.40
  4. Step 4: Simplify right side
    31,506,719.40x = 357,862,364,524,339.75
  5. Step 5: Solve for x
    x = 357,862,364,524,339.75/31,506,719.40
  6. Step 6: Final answer
    x = 11,358,287.10

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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.