Home / 10,510,903.20-15,766,354.80-10,440,044.40

Finding the Fourth Proportional to 10,510,903.20, 15,766,354.80 and 10,440,044.40

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Solution

The fourth proportional to 10,510,903.20, 15,766,354.80 and 10,440,044.40 is: 15,660,066.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,510,903.20 : 15,766,354.80 = 10,440,044.40 : x
  2. Step 2: Convert to fraction form
    10,510,903.20/15,766,354.80 = 10,440,044.40/x
  3. Step 3: Cross multiply
    10,510,903.20x = 15,766,354.80 × 10,440,044.40
  4. Step 4: Simplify right side
    10,510,903.20x = 164,601,444,138,153.12
  5. Step 5: Solve for x
    x = 164,601,444,138,153.12/10,510,903.20
  6. Step 6: Final answer
    x = 15,660,066.60

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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.