Home / 52,217,595.12-78,326,393.28-18,138,973.76

Finding the Fourth Proportional to 52,217,595.12, 78,326,393.28 and 18,138,973.76

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Solution

The fourth proportional to 52,217,595.12, 78,326,393.28 and 18,138,973.76 is: 27,208,460.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,217,595.12 : 78,326,393.28 = 18,138,973.76 : x
  2. Step 2: Convert to fraction form
    52,217,595.12/78,326,393.28 = 18,138,973.76/x
  3. Step 3: Cross multiply
    52,217,595.12x = 78,326,393.28 × 18,138,973.76
  4. Step 4: Simplify right side
    52,217,595.12x = 1,420,760,392,421,360.50
  5. Step 5: Solve for x
    x = 1,420,760,392,421,360.50/52,217,595.12
  6. Step 6: Final answer
    x = 27,208,460.85

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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.