Home / 15,249,620.46-21,043,850.63-8,280,027.20

Finding the Fourth Proportional to 15,249,620.46, 21,043,850.63 and 8,280,027.20

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Solution

The fourth proportional to 15,249,620.46, 21,043,850.63 and 8,280,027.20 is: 11,426,097.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,249,620.46 : 21,043,850.63 = 8,280,027.20 : x
  2. Step 2: Convert to fraction form
    15,249,620.46/21,043,850.63 = 8,280,027.20/x
  3. Step 3: Cross multiply
    15,249,620.46x = 21,043,850.63 × 8,280,027.20
  4. Step 4: Simplify right side
    15,249,620.46x = 174,243,655,462,517.75
  5. Step 5: Solve for x
    x = 174,243,655,462,517.75/15,249,620.46
  6. Step 6: Final answer
    x = 11,426,097.84

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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.