Home / 28,406,843.40-42,616,579.84-13,252,508.04

Finding the Fourth Proportional to 28,406,843.40, 42,616,579.84 and 13,252,508.04

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Solution

The fourth proportional to 28,406,843.40, 42,616,579.84 and 13,252,508.04 is: 19,881,708.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,406,843.40 : 42,616,579.84 = 13,252,508.04 : x
  2. Step 2: Convert to fraction form
    28,406,843.40/42,616,579.84 = 13,252,508.04/x
  3. Step 3: Cross multiply
    28,406,843.40x = 42,616,579.84 × 13,252,508.04
  4. Step 4: Simplify right side
    28,406,843.40x = 564,776,566,966,901.88
  5. Step 5: Solve for x
    x = 564,776,566,966,901.88/28,406,843.40
  6. Step 6: Final answer
    x = 19,881,708.05

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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.