Home / 20,158,656.60-30,237,984.90-19,822,733.40

Finding the Fourth Proportional to 20,158,656.60, 30,237,984.90 and 19,822,733.40

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Solution

The fourth proportional to 20,158,656.60, 30,237,984.90 and 19,822,733.40 is: 29,734,100.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,158,656.60 : 30,237,984.90 = 19,822,733.40 : x
  2. Step 2: Convert to fraction form
    20,158,656.60/30,237,984.90 = 19,822,733.40/x
  3. Step 3: Cross multiply
    20,158,656.60x = 30,237,984.90 × 19,822,733.40
  4. Step 4: Simplify right side
    20,158,656.60x = 599,399,513,225,925.62
  5. Step 5: Solve for x
    x = 599,399,513,225,925.62/20,158,656.60
  6. Step 6: Final answer
    x = 29,734,100.10

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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.