Home / 12,492,225.20-18,720,841.80-9,937,809.20

Finding the Fourth Proportional to 12,492,225.20, 18,720,841.80 and 9,937,809.20

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Solution

The fourth proportional to 12,492,225.20, 18,720,841.80 and 9,937,809.20 is: 14,892,795.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,492,225.20 : 18,720,841.80 = 9,937,809.20 : x
  2. Step 2: Convert to fraction form
    12,492,225.20/18,720,841.80 = 9,937,809.20/x
  3. Step 3: Cross multiply
    12,492,225.20x = 18,720,841.80 × 9,937,809.20
  4. Step 4: Simplify right side
    12,492,225.20x = 186,044,153,871,784.56
  5. Step 5: Solve for x
    x = 186,044,153,871,784.56/12,492,225.20
  6. Step 6: Final answer
    x = 14,892,795.39

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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.