Home / 10,630,328.40-15,903,502.20-9,225,982.80

Finding the Fourth Proportional to 10,630,328.40, 15,903,502.20 and 9,225,982.80

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Solution

The fourth proportional to 10,630,328.40, 15,903,502.20 and 9,225,982.80 is: 13,802,531.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,630,328.40 : 15,903,502.20 = 9,225,982.80 : x
  2. Step 2: Convert to fraction form
    10,630,328.40/15,903,502.20 = 9,225,982.80/x
  3. Step 3: Cross multiply
    10,630,328.40x = 15,903,502.20 × 9,225,982.80
  4. Step 4: Simplify right side
    10,630,328.40x = 146,725,437,756,962.16
  5. Step 5: Solve for x
    x = 146,725,437,756,962.16/10,630,328.40
  6. Step 6: Final answer
    x = 13,802,531.04

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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.