Home / 12,492,223.20-18,720,838.80-9,937,807.20

Finding the Fourth Proportional to 12,492,223.20, 18,720,838.80 and 9,937,807.20

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Solution

The fourth proportional to 12,492,223.20, 18,720,838.80 and 9,937,807.20 is: 14,892,792.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,492,223.20 : 18,720,838.80 = 9,937,807.20 : x
  2. Step 2: Convert to fraction form
    12,492,223.20/18,720,838.80 = 9,937,807.20/x
  3. Step 3: Cross multiply
    12,492,223.20x = 18,720,838.80 × 9,937,807.20
  4. Step 4: Simplify right side
    12,492,223.20x = 186,044,086,616,679.34
  5. Step 5: Solve for x
    x = 186,044,086,616,679.34/12,492,223.20
  6. Step 6: Final answer
    x = 14,892,792.39

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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.