Home / 10,402,876.80-15,604,315.20-5,364,028.80

Finding the Fourth Proportional to 10,402,876.80, 15,604,315.20 and 5,364,028.80

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Solution

The fourth proportional to 10,402,876.80, 15,604,315.20 and 5,364,028.80 is: 8,046,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,402,876.80 : 15,604,315.20 = 5,364,028.80 : x
  2. Step 2: Convert to fraction form
    10,402,876.80/15,604,315.20 = 5,364,028.80/x
  3. Step 3: Cross multiply
    10,402,876.80x = 15,604,315.20 × 5,364,028.80
  4. Step 4: Simplify right side
    10,402,876.80x = 83,701,996,137,077.75
  5. Step 5: Solve for x
    x = 83,701,996,137,077.75/10,402,876.80
  6. Step 6: Final answer
    x = 8,046,043.20

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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.