Home / 38,636,699.20-57,955,048.80-28,999,902.40

Finding the Fourth Proportional to 38,636,699.20, 57,955,048.80 and 28,999,902.40

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Solution

The fourth proportional to 38,636,699.20, 57,955,048.80 and 28,999,902.40 is: 43,499,853.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,636,699.20 : 57,955,048.80 = 28,999,902.40 : x
  2. Step 2: Convert to fraction form
    38,636,699.20/57,955,048.80 = 28,999,902.40/x
  3. Step 3: Cross multiply
    38,636,699.20x = 57,955,048.80 × 28,999,902.40
  4. Step 4: Simplify right side
    38,636,699.20x = 1,680,690,758,787,237
  5. Step 5: Solve for x
    x = 1,680,690,758,787,237/38,636,699.20
  6. Step 6: Final answer
    x = 43,499,853.60

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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.