Home / 14,041,806.40-21,020,719.20-8,359,105.60

Finding the Fourth Proportional to 14,041,806.40, 21,020,719.20 and 8,359,105.60

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Solution

The fourth proportional to 14,041,806.40, 21,020,719.20 and 8,359,105.60 is: 12,513,661.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,041,806.40 : 21,020,719.20 = 8,359,105.60 : x
  2. Step 2: Convert to fraction form
    14,041,806.40/21,020,719.20 = 8,359,105.60/x
  3. Step 3: Cross multiply
    14,041,806.40x = 21,020,719.20 × 8,359,105.60
  4. Step 4: Simplify right side
    14,041,806.40x = 175,714,411,580,747.50
  5. Step 5: Solve for x
    x = 175,714,411,580,747.50/14,041,806.40
  6. Step 6: Final answer
    x = 12,513,661.46

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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.