Home / 20,574,138.60-30,847,211.10-9,796,602.60

Finding the Fourth Proportional to 20,574,138.60, 30,847,211.10 and 9,796,602.60

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Solution

The fourth proportional to 20,574,138.60, 30,847,211.10 and 9,796,602.60 is: 14,688,239.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,574,138.60 : 30,847,211.10 = 9,796,602.60 : x
  2. Step 2: Convert to fraction form
    20,574,138.60/30,847,211.10 = 9,796,602.60/x
  3. Step 3: Cross multiply
    20,574,138.60x = 30,847,211.10 × 9,796,602.60
  4. Step 4: Simplify right side
    20,574,138.60x = 302,197,868,465,008.88
  5. Step 5: Solve for x
    x = 302,197,868,465,008.88/20,574,138.60
  6. Step 6: Final answer
    x = 14,688,239.17

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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.