Home / 12,492,803.10-18,711,211.05-6,502,172.70

Finding the Fourth Proportional to 12,492,803.10, 18,711,211.05 and 6,502,172.70

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Solution

The fourth proportional to 12,492,803.10, 18,711,211.05 and 6,502,172.70 is: 9,738,689.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,492,803.10 : 18,711,211.05 = 6,502,172.70 : x
  2. Step 2: Convert to fraction form
    12,492,803.10/18,711,211.05 = 6,502,172.70/x
  3. Step 3: Cross multiply
    12,492,803.10x = 18,711,211.05 × 6,502,172.70
  4. Step 4: Simplify right side
    12,492,803.10x = 121,663,525,673,248.34
  5. Step 5: Solve for x
    x = 121,663,525,673,248.34/12,492,803.10
  6. Step 6: Final answer
    x = 9,738,689.12

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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.