Home / 31,504,030.40-47,266,543.20-28,117,582.40

Finding the Fourth Proportional to 31,504,030.40, 47,266,543.20 and 28,117,582.40

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Solution

The fourth proportional to 31,504,030.40, 47,266,543.20 and 28,117,582.40 is: 42,185,742.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,504,030.40 : 47,266,543.20 = 28,117,582.40 : x
  2. Step 2: Convert to fraction form
    31,504,030.40/47,266,543.20 = 28,117,582.40/x
  3. Step 3: Cross multiply
    31,504,030.40x = 47,266,543.20 × 28,117,582.40
  4. Step 4: Simplify right side
    31,504,030.40x = 1,329,020,923,189,159.75
  5. Step 5: Solve for x
    x = 1,329,020,923,189,159.75/31,504,030.40
  6. Step 6: Final answer
    x = 42,185,742.79

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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.