Home / 12,089,427.10-18,123,643.05-7,292,023.90

Finding the Fourth Proportional to 12,089,427.10, 18,123,643.05 and 7,292,023.90

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Solution

The fourth proportional to 12,089,427.10, 18,123,643.05 and 7,292,023.90 is: 10,931,703.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089,427.10 : 18,123,643.05 = 7,292,023.90 : x
  2. Step 2: Convert to fraction form
    12,089,427.10/18,123,643.05 = 7,292,023.90/x
  3. Step 3: Cross multiply
    12,089,427.10x = 18,123,643.05 × 7,292,023.90
  4. Step 4: Simplify right side
    12,089,427.10x = 132,158,038,275,668.91
  5. Step 5: Solve for x
    x = 132,158,038,275,668.91/12,089,427.10
  6. Step 6: Final answer
    x = 10,931,703.97

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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.