Home / 49,673,319.60-74,509,979.40-13,287,325.80

Finding the Fourth Proportional to 49,673,319.60, 74,509,979.40 and 13,287,325.80

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Solution

The fourth proportional to 49,673,319.60, 74,509,979.40 and 13,287,325.80 is: 19,930,988.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,673,319.60 : 74,509,979.40 = 13,287,325.80 : x
  2. Step 2: Convert to fraction form
    49,673,319.60/74,509,979.40 = 13,287,325.80/x
  3. Step 3: Cross multiply
    49,673,319.60x = 74,509,979.40 × 13,287,325.80
  4. Step 4: Simplify right side
    49,673,319.60x = 990,038,371,639,088.62
  5. Step 5: Solve for x
    x = 990,038,371,639,088.62/49,673,319.60
  6. Step 6: Final answer
    x = 19,930,988.70

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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.