Home / 9,986,327.64-14,966,249.47-5,128,438.10

Finding the Fourth Proportional to 9,986,327.64, 14,966,249.47 and 5,128,438.10

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Solution

The fourth proportional to 9,986,327.64, 14,966,249.47 and 5,128,438.10 is: 7,685,856.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986,327.64 : 14,966,249.47 = 5,128,438.10 : x
  2. Step 2: Convert to fraction form
    9,986,327.64/14,966,249.47 = 5,128,438.10/x
  3. Step 3: Cross multiply
    9,986,327.64x = 14,966,249.47 × 5,128,438.10
  4. Step 4: Simplify right side
    9,986,327.64x = 76,753,483,908,400.45
  5. Step 5: Solve for x
    x = 76,753,483,908,400.45/9,986,327.64
  6. Step 6: Final answer
    x = 7,685,856.77

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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.