Home / 28,406,839.50-42,616,574.04-13,252,504.14

Finding the Fourth Proportional to 28,406,839.50, 42,616,574.04 and 13,252,504.14

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Solution

The fourth proportional to 28,406,839.50, 42,616,574.04 and 13,252,504.14 is: 19,881,702.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,406,839.50 : 42,616,574.04 = 13,252,504.14 : x
  2. Step 2: Convert to fraction form
    28,406,839.50/42,616,574.04 = 13,252,504.14/x
  3. Step 3: Cross multiply
    28,406,839.50x = 42,616,574.04 × 13,252,504.14
  4. Step 4: Simplify right side
    28,406,839.50x = 564,776,323,897,716.50
  5. Step 5: Solve for x
    x = 564,776,323,897,716.50/28,406,839.50
  6. Step 6: Final answer
    x = 19,881,702.22

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1.5x scale

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.