Home / 13,506,499.71-18,626,378.60-12,503,321.45

Finding the Fourth Proportional to 13,506,499.71, 18,626,378.60 and 12,503,321.45

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Solution

The fourth proportional to 13,506,499.71, 18,626,378.60 and 12,503,321.45 is: 17,242,927.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,506,499.71 : 18,626,378.60 = 12,503,321.45 : x
  2. Step 2: Convert to fraction form
    13,506,499.71/18,626,378.60 = 12,503,321.45/x
  3. Step 3: Cross multiply
    13,506,499.71x = 18,626,378.60 × 12,503,321.45
  4. Step 4: Simplify right side
    13,506,499.71x = 232,891,598,929,552.47
  5. Step 5: Solve for x
    x = 232,891,598,929,552.47/13,506,499.71
  6. Step 6: Final answer
    x = 17,242,927.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.