Home / 31,545,409.60-47,291,870.40-13,363,566.40

Finding the Fourth Proportional to 31,545,409.60, 47,291,870.40 and 13,363,566.40

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Solution

The fourth proportional to 31,545,409.60, 47,291,870.40 and 13,363,566.40 is: 20,034,231.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,545,409.60 : 47,291,870.40 = 13,363,566.40 : x
  2. Step 2: Convert to fraction form
    31,545,409.60/47,291,870.40 = 13,363,566.40/x
  3. Step 3: Cross multiply
    31,545,409.60x = 47,291,870.40 × 13,363,566.40
  4. Step 4: Simplify right side
    31,545,409.60x = 631,988,050,270,594.50
  5. Step 5: Solve for x
    x = 631,988,050,270,594.50/31,545,409.60
  6. Step 6: Final answer
    x = 20,034,231.87

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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.