Home / 8,435,341.60-12,653,012.40-8,043,431.20

Finding the Fourth Proportional to 8,435,341.60, 12,653,012.40 and 8,043,431.20

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Solution

The fourth proportional to 8,435,341.60, 12,653,012.40 and 8,043,431.20 is: 12,065,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,435,341.60 : 12,653,012.40 = 8,043,431.20 : x
  2. Step 2: Convert to fraction form
    8,435,341.60/12,653,012.40 = 8,043,431.20/x
  3. Step 3: Cross multiply
    8,435,341.60x = 12,653,012.40 × 8,043,431.20
  4. Step 4: Simplify right side
    8,435,341.60x = 101,773,634,712,146.89
  5. Step 5: Solve for x
    x = 101,773,634,712,146.89/8,435,341.60
  6. Step 6: Final answer
    x = 12,065,146.80

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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.