Home / 13,338,160.01-18,406,420.65-7,536,816.89

Finding the Fourth Proportional to 13,338,160.01, 18,406,420.65 and 7,536,816.89

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Solution

The fourth proportional to 13,338,160.01, 18,406,420.65 and 7,536,816.89 is: 10,400,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338,160.01 : 18,406,420.65 = 7,536,816.89 : x
  2. Step 2: Convert to fraction form
    13,338,160.01/18,406,420.65 = 7,536,816.89/x
  3. Step 3: Cross multiply
    13,338,160.01x = 18,406,420.65 × 7,536,816.89
  4. Step 4: Simplify right side
    13,338,160.01x = 138,725,821,947,332.66
  5. Step 5: Solve for x
    x = 138,725,821,947,332.66/13,338,160.01
  6. Step 6: Final answer
    x = 10,400,671.60

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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.