Home / 12,342,830.70-18,514,246.05-10,516,248.30

Finding the Fourth Proportional to 12,342,830.70, 18,514,246.05 and 10,516,248.30

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Solution

The fourth proportional to 12,342,830.70, 18,514,246.05 and 10,516,248.30 is: 15,774,372.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,342,830.70 : 18,514,246.05 = 10,516,248.30 : x
  2. Step 2: Convert to fraction form
    12,342,830.70/18,514,246.05 = 10,516,248.30/x
  3. Step 3: Cross multiply
    12,342,830.70x = 18,514,246.05 × 10,516,248.30
  4. Step 4: Simplify right side
    12,342,830.70x = 194,700,408,549,094.25
  5. Step 5: Solve for x
    x = 194,700,408,549,094.25/12,342,830.70
  6. Step 6: Final answer
    x = 15,774,372.45

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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.