Home / 15,745,475.90-23,628,711.45-7,221,424.70

Finding the Fourth Proportional to 15,745,475.90, 23,628,711.45 and 7,221,424.70

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Solution

The fourth proportional to 15,745,475.90, 23,628,711.45 and 7,221,424.70 is: 10,836,951.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,745,475.90 : 23,628,711.45 = 7,221,424.70 : x
  2. Step 2: Convert to fraction form
    15,745,475.90/23,628,711.45 = 7,221,424.70/x
  3. Step 3: Cross multiply
    15,745,475.90x = 23,628,711.45 × 7,221,424.70
  4. Step 4: Simplify right side
    15,745,475.90x = 170,632,960,494,202.81
  5. Step 5: Solve for x
    x = 170,632,960,494,202.81/15,745,475.90
  6. Step 6: Final answer
    x = 10,836,951.62

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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.