Home / 31,590,901.80-47,386,352.70-28,063,708.20

Finding the Fourth Proportional to 31,590,901.80, 47,386,352.70 and 28,063,708.20

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Solution

The fourth proportional to 31,590,901.80, 47,386,352.70 and 28,063,708.20 is: 42,095,562.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,590,901.80 : 47,386,352.70 = 28,063,708.20 : x
  2. Step 2: Convert to fraction form
    31,590,901.80/47,386,352.70 = 28,063,708.20/x
  3. Step 3: Cross multiply
    31,590,901.80x = 47,386,352.70 × 28,063,708.20
  4. Step 4: Simplify right side
    31,590,901.80x = 1,329,836,774,835,082.25
  5. Step 5: Solve for x
    x = 1,329,836,774,835,082.25/31,590,901.80
  6. Step 6: Final answer
    x = 42,095,562.30

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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.