Home / 28,534,438.40-42,806,841.60-9,359,859.20

Finding the Fourth Proportional to 28,534,438.40, 42,806,841.60 and 9,359,859.20

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Solution

The fourth proportional to 28,534,438.40, 42,806,841.60 and 9,359,859.20 is: 14,041,489.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,534,438.40 : 42,806,841.60 = 9,359,859.20 : x
  2. Step 2: Convert to fraction form
    28,534,438.40/42,806,841.60 = 9,359,859.20/x
  3. Step 3: Cross multiply
    28,534,438.40x = 42,806,841.60 × 9,359,859.20
  4. Step 4: Simplify right side
    28,534,438.40x = 400,666,010,172,702.69
  5. Step 5: Solve for x
    x = 400,666,010,172,702.69/28,534,438.40
  6. Step 6: Final answer
    x = 14,041,489.25

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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.