Home / 22,680,768.70-34,021,153.05-20,342,428.30

Finding the Fourth Proportional to 22,680,768.70, 34,021,153.05 and 20,342,428.30

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Solution

The fourth proportional to 22,680,768.70, 34,021,153.05 and 20,342,428.30 is: 30,513,642.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,680,768.70 : 34,021,153.05 = 20,342,428.30 : x
  2. Step 2: Convert to fraction form
    22,680,768.70/34,021,153.05 = 20,342,428.30/x
  3. Step 3: Cross multiply
    22,680,768.70x = 34,021,153.05 × 20,342,428.30
  4. Step 4: Simplify right side
    22,680,768.70x = 692,072,866,602,951.25
  5. Step 5: Solve for x
    x = 692,072,866,602,951.25/22,680,768.70
  6. Step 6: Final answer
    x = 30,513,642.45

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1.5x scale

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.