Home / 10,471,962.40-15,707,943.60-2,898,928.15

Finding the Fourth Proportional to 10,471,962.40, 15,707,943.60 and 2,898,928.15

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Solution

The fourth proportional to 10,471,962.40, 15,707,943.60 and 2,898,928.15 is: 4,348,392.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,471,962.40 : 15,707,943.60 = 2,898,928.15 : x
  2. Step 2: Convert to fraction form
    10,471,962.40/15,707,943.60 = 2,898,928.15/x
  3. Step 3: Cross multiply
    10,471,962.40x = 15,707,943.60 × 2,898,928.15
  4. Step 4: Simplify right side
    10,471,962.40x = 45,536,199,880,652.34
  5. Step 5: Solve for x
    x = 45,536,199,880,652.34/10,471,962.40
  6. Step 6: Final answer
    x = 4,348,392.23

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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.