Home / 19,898,503.60-29,833,009.80-13,492,769.20

Finding the Fourth Proportional to 19,898,503.60, 29,833,009.80 and 13,492,769.20

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Solution

The fourth proportional to 19,898,503.60, 29,833,009.80 and 13,492,769.20 is: 20,229,155.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,898,503.60 : 29,833,009.80 = 13,492,769.20 : x
  2. Step 2: Convert to fraction form
    19,898,503.60/29,833,009.80 = 13,492,769.20/x
  3. Step 3: Cross multiply
    19,898,503.60x = 29,833,009.80 × 13,492,769.20
  4. Step 4: Simplify right side
    19,898,503.60x = 402,529,915,772,738.12
  5. Step 5: Solve for x
    x = 402,529,915,772,738.12/19,898,503.60
  6. Step 6: Final answer
    x = 20,229,155.11

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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.