Home / 28,403,117.40-42,604,676.10-9,234,499.80

Finding the Fourth Proportional to 28,403,117.40, 42,604,676.10 and 9,234,499.80

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Solution

The fourth proportional to 28,403,117.40, 42,604,676.10 and 9,234,499.80 is: 13,851,749.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,403,117.40 : 42,604,676.10 = 9,234,499.80 : x
  2. Step 2: Convert to fraction form
    28,403,117.40/42,604,676.10 = 9,234,499.80/x
  3. Step 3: Cross multiply
    28,403,117.40x = 42,604,676.10 × 9,234,499.80
  4. Step 4: Simplify right side
    28,403,117.40x = 393,432,872,924,514.81
  5. Step 5: Solve for x
    x = 393,432,872,924,514.81/28,403,117.40
  6. Step 6: Final answer
    x = 13,851,749.70

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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.