Home / 55,988,671-83,983,006.50-13,438,399

Finding the Fourth Proportional to 55,988,671, 83,983,006.50 and 13,438,399

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Solution

The fourth proportional to 55,988,671, 83,983,006.50 and 13,438,399 is: 20,157,598.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,988,671 : 83,983,006.50 = 13,438,399 : x
  2. Step 2: Convert to fraction form
    55,988,671/83,983,006.50 = 13,438,399/x
  3. Step 3: Cross multiply
    55,988,671x = 83,983,006.50 × 13,438,399
  4. Step 4: Simplify right side
    55,988,671x = 1,128,597,150,566,593.50
  5. Step 5: Solve for x
    x = 1,128,597,150,566,593.50/55,988,671
  6. Step 6: Final answer
    x = 20,157,598.50

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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.