Home / 20,719,763.60-31,079,645.40-19,544,032.40

Finding the Fourth Proportional to 20,719,763.60, 31,079,645.40 and 19,544,032.40

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Solution

The fourth proportional to 20,719,763.60, 31,079,645.40 and 19,544,032.40 is: 29,316,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,719,763.60 : 31,079,645.40 = 19,544,032.40 : x
  2. Step 2: Convert to fraction form
    20,719,763.60/31,079,645.40 = 19,544,032.40/x
  3. Step 3: Cross multiply
    20,719,763.60x = 31,079,645.40 × 19,544,032.40
  4. Step 4: Simplify right side
    20,719,763.60x = 607,421,596,678,110.88
  5. Step 5: Solve for x
    x = 607,421,596,678,110.88/20,719,763.60
  6. Step 6: Final answer
    x = 29,316,048.60

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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.