Home / 28,771,405.16-42,947,221.20-25,139,301.17

Finding the Fourth Proportional to 28,771,405.16, 42,947,221.20 and 25,139,301.17

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Solution

The fourth proportional to 28,771,405.16, 42,947,221.20 and 25,139,301.17 is: 37,525,561.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,771,405.16 : 42,947,221.20 = 25,139,301.17 : x
  2. Step 2: Convert to fraction form
    28,771,405.16/42,947,221.20 = 25,139,301.17/x
  3. Step 3: Cross multiply
    28,771,405.16x = 42,947,221.20 × 25,139,301.17
  4. Step 4: Simplify right side
    28,771,405.16x = 1,079,663,127,946,672.75
  5. Step 5: Solve for x
    x = 1,079,663,127,946,672.75/28,771,405.16
  6. Step 6: Final answer
    x = 37,525,561.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.