Home / 20,445,643.81-30,664,340.48-7,487,371.00

Finding the Fourth Proportional to 20,445,643.81, 30,664,340.48 and 7,487,371.00

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Solution

The fourth proportional to 20,445,643.81, 30,664,340.48 and 7,487,371.00 is: 11,229,545.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,445,643.81 : 30,664,340.48 = 7,487,371.00 : x
  2. Step 2: Convert to fraction form
    20,445,643.81/30,664,340.48 = 7,487,371.00/x
  3. Step 3: Cross multiply
    20,445,643.81x = 30,664,340.48 × 7,487,371.00
  4. Step 4: Simplify right side
    20,445,643.81x = 229,595,293,572,258.34
  5. Step 5: Solve for x
    x = 229,595,293,572,258.34/20,445,643.81
  6. Step 6: Final answer
    x = 11,229,545.80

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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.