Home / 12,492,803.60-18,711,211.80-6,502,173.20

Finding the Fourth Proportional to 12,492,803.60, 18,711,211.80 and 6,502,173.20

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Solution

The fourth proportional to 12,492,803.60, 18,711,211.80 and 6,502,173.20 is: 9,738,689.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,492,803.60 : 18,711,211.80 = 6,502,173.20 : x
  2. Step 2: Convert to fraction form
    12,492,803.60/18,711,211.80 = 6,502,173.20/x
  3. Step 3: Cross multiply
    12,492,803.60x = 18,711,211.80 × 6,502,173.20
  4. Step 4: Simplify right side
    12,492,803.60x = 121,663,539,905,483.77
  5. Step 5: Solve for x
    x = 121,663,539,905,483.77/12,492,803.60
  6. Step 6: Final answer
    x = 9,738,689.87

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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.