Home / 9,968,478.70-14,952,718.05-5,705,140.90

Finding the Fourth Proportional to 9,968,478.70, 14,952,718.05 and 5,705,140.90

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Solution

The fourth proportional to 9,968,478.70, 14,952,718.05 and 5,705,140.90 is: 8,557,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,968,478.70 : 14,952,718.05 = 5,705,140.90 : x
  2. Step 2: Convert to fraction form
    9,968,478.70/14,952,718.05 = 5,705,140.90/x
  3. Step 3: Cross multiply
    9,968,478.70x = 14,952,718.05 × 5,705,140.90
  4. Step 4: Simplify right side
    9,968,478.70x = 85,307,363,313,223.25
  5. Step 5: Solve for x
    x = 85,307,363,313,223.25/9,968,478.70
  6. Step 6: Final answer
    x = 8,557,711.35

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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.