Home / 13,338,259.20-18,406,557.12-7,536,916.08

Finding the Fourth Proportional to 13,338,259.20, 18,406,557.12 and 7,536,916.08

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Solution

The fourth proportional to 13,338,259.20, 18,406,557.12 and 7,536,916.08 is: 10,400,808.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338,259.20 : 18,406,557.12 = 7,536,916.08 : x
  2. Step 2: Convert to fraction form
    13,338,259.20/18,406,557.12 = 7,536,916.08/x
  3. Step 3: Cross multiply
    13,338,259.20x = 18,406,557.12 × 7,536,916.08
  4. Step 4: Simplify right side
    13,338,259.20x = 138,728,676,335,166.50
  5. Step 5: Solve for x
    x = 138,728,676,335,166.50/13,338,259.20
  6. Step 6: Final answer
    x = 10,400,808.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.