Home / 7,128,001.90-10,692,002.85-4,104,693.10

Finding the Fourth Proportional to 7,128,001.90, 10,692,002.85 and 4,104,693.10

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Solution

The fourth proportional to 7,128,001.90, 10,692,002.85 and 4,104,693.10 is: 6,157,039.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,001.90 : 10,692,002.85 = 4,104,693.10 : x
  2. Step 2: Convert to fraction form
    7,128,001.90/10,692,002.85 = 4,104,693.10/x
  3. Step 3: Cross multiply
    7,128,001.90x = 10,692,002.85 × 4,104,693.10
  4. Step 4: Simplify right side
    7,128,001.90x = 43,887,390,323,575.34
  5. Step 5: Solve for x
    x = 43,887,390,323,575.34/7,128,001.90
  6. Step 6: Final answer
    x = 6,157,039.65

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Similar ratio
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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.