Home / 13,346,005.05-18,417,348.95-7,465,562.73

Finding the Fourth Proportional to 13,346,005.05, 18,417,348.95 and 7,465,562.73

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Solution

The fourth proportional to 13,346,005.05, 18,417,348.95 and 7,465,562.73 is: 10,302,399.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346,005.05 : 18,417,348.95 = 7,465,562.73 : x
  2. Step 2: Convert to fraction form
    13,346,005.05/18,417,348.95 = 7,465,562.73/x
  3. Step 3: Cross multiply
    13,346,005.05x = 18,417,348.95 × 7,465,562.73
  4. Step 4: Simplify right side
    13,346,005.05x = 137,495,873,869,196.83
  5. Step 5: Solve for x
    x = 137,495,873,869,196.83/13,346,005.05
  6. Step 6: Final answer
    x = 10,302,399.36

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1.5x scale

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.