Home / 20,477,981.28-30,705,088.14-9,695,191.08

Finding the Fourth Proportional to 20,477,981.28, 30,705,088.14 and 9,695,191.08

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Solution

The fourth proportional to 20,477,981.28, 30,705,088.14 and 9,695,191.08 is: 14,537,160.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,477,981.28 : 30,705,088.14 = 9,695,191.08 : x
  2. Step 2: Convert to fraction form
    20,477,981.28/30,705,088.14 = 9,695,191.08/x
  3. Step 3: Cross multiply
    20,477,981.28x = 30,705,088.14 × 9,695,191.08
  4. Step 4: Simplify right side
    20,477,981.28x = 297,691,696,645,541.81
  5. Step 5: Solve for x
    x = 297,691,696,645,541.81/20,477,981.28
  6. Step 6: Final answer
    x = 14,537,160.31

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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.