Home / 15,204,263.44-20,965,070.28-9,688,901.80

Finding the Fourth Proportional to 15,204,263.44, 20,965,070.28 and 9,688,901.80

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Solution

The fourth proportional to 15,204,263.44, 20,965,070.28 and 9,688,901.80 is: 13,359,970.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,204,263.44 : 20,965,070.28 = 9,688,901.80 : x
  2. Step 2: Convert to fraction form
    15,204,263.44/20,965,070.28 = 9,688,901.80/x
  3. Step 3: Cross multiply
    15,204,263.44x = 20,965,070.28 × 9,688,901.80
  4. Step 4: Simplify right side
    15,204,263.44x = 203,128,507,173,018.53
  5. Step 5: Solve for x
    x = 203,128,507,173,018.53/15,204,263.44
  6. Step 6: Final answer
    x = 13,359,970.25

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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.