Home / 28,442,742.04-39,250,875.54-15,390,026.20

Finding the Fourth Proportional to 28,442,742.04, 39,250,875.54 and 15,390,026.20

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Solution

The fourth proportional to 28,442,742.04, 39,250,875.54 and 15,390,026.20 is: 21,238,177.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,442,742.04 : 39,250,875.54 = 15,390,026.20 : x
  2. Step 2: Convert to fraction form
    28,442,742.04/39,250,875.54 = 15,390,026.20/x
  3. Step 3: Cross multiply
    28,442,742.04x = 39,250,875.54 × 15,390,026.20
  4. Step 4: Simplify right side
    28,442,742.04x = 604,072,002,933,539.12
  5. Step 5: Solve for x
    x = 604,072,002,933,539.12/28,442,742.04
  6. Step 6: Final answer
    x = 21,238,177.46

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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.