Home / 10,402,447.40-15,603,671.10-9,142,735.40

Finding the Fourth Proportional to 10,402,447.40, 15,603,671.10 and 9,142,735.40

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Solution

The fourth proportional to 10,402,447.40, 15,603,671.10 and 9,142,735.40 is: 13,714,103.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,402,447.40 : 15,603,671.10 = 9,142,735.40 : x
  2. Step 2: Convert to fraction form
    10,402,447.40/15,603,671.10 = 9,142,735.40/x
  3. Step 3: Cross multiply
    10,402,447.40x = 15,603,671.10 × 9,142,735.40
  4. Step 4: Simplify right side
    10,402,447.40x = 142,660,236,135,926.94
  5. Step 5: Solve for x
    x = 142,660,236,135,926.94/10,402,447.40
  6. Step 6: Final answer
    x = 13,714,103.10

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1.5x scale

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.