Home / 6,985,320.63-10,477,983.65-3,142,655.52

Finding the Fourth Proportional to 6,985,320.63, 10,477,983.65 and 3,142,655.52

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Solution

The fourth proportional to 6,985,320.63, 10,477,983.65 and 3,142,655.52 is: 4,713,984.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985,320.63 : 10,477,983.65 = 3,142,655.52 : x
  2. Step 2: Convert to fraction form
    6,985,320.63/10,477,983.65 = 3,142,655.52/x
  3. Step 3: Cross multiply
    6,985,320.63x = 10,477,983.65 × 3,142,655.52
  4. Step 4: Simplify right side
    6,985,320.63x = 32,928,693,140,428.97
  5. Step 5: Solve for x
    x = 32,928,693,140,428.97/6,985,320.63
  6. Step 6: Final answer
    x = 4,713,984.49

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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.