Home / 31,506,079.70-47,259,119.55-18,031,826.90

Finding the Fourth Proportional to 31,506,079.70, 47,259,119.55 and 18,031,826.90

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Solution

The fourth proportional to 31,506,079.70, 47,259,119.55 and 18,031,826.90 is: 27,047,740.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,506,079.70 : 47,259,119.55 = 18,031,826.90 : x
  2. Step 2: Convert to fraction form
    31,506,079.70/47,259,119.55 = 18,031,826.90/x
  3. Step 3: Cross multiply
    31,506,079.70x = 47,259,119.55 × 18,031,826.90
  4. Step 4: Simplify right side
    31,506,079.70x = 852,168,263,172,005.75
  5. Step 5: Solve for x
    x = 852,168,263,172,005.75/31,506,079.70
  6. Step 6: Final answer
    x = 27,047,740.35

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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.