Home / 28,969,510.80-43,454,266.20-15,303,968.40

Finding the Fourth Proportional to 28,969,510.80, 43,454,266.20 and 15,303,968.40

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Solution

The fourth proportional to 28,969,510.80, 43,454,266.20 and 15,303,968.40 is: 22,955,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,969,510.80 : 43,454,266.20 = 15,303,968.40 : x
  2. Step 2: Convert to fraction form
    28,969,510.80/43,454,266.20 = 15,303,968.40/x
  3. Step 3: Cross multiply
    28,969,510.80x = 43,454,266.20 × 15,303,968.40
  4. Step 4: Simplify right side
    28,969,510.80x = 665,022,716,769,988.12
  5. Step 5: Solve for x
    x = 665,022,716,769,988.12/28,969,510.80
  6. Step 6: Final answer
    x = 22,955,952.60

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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.