Home / 28,602,007.20-42,903,010.80-26,418,506.40

Finding the Fourth Proportional to 28,602,007.20, 42,903,010.80 and 26,418,506.40

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Solution

The fourth proportional to 28,602,007.20, 42,903,010.80 and 26,418,506.40 is: 39,627,759.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,602,007.20 : 42,903,010.80 = 26,418,506.40 : x
  2. Step 2: Convert to fraction form
    28,602,007.20/42,903,010.80 = 26,418,506.40/x
  3. Step 3: Cross multiply
    28,602,007.20x = 42,903,010.80 × 26,418,506.40
  4. Step 4: Simplify right side
    28,602,007.20x = 1,133,433,465,399,069
  5. Step 5: Solve for x
    x = 1,133,433,465,399,069/28,602,007.20
  6. Step 6: Final answer
    x = 39,627,759.60

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Similar ratio
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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.