Home / 8,857,643.60-13,286,465.40-7,262,008.40

Finding the Fourth Proportional to 8,857,643.60, 13,286,465.40 and 7,262,008.40

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Solution

The fourth proportional to 8,857,643.60, 13,286,465.40 and 7,262,008.40 is: 10,893,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857,643.60 : 13,286,465.40 = 7,262,008.40 : x
  2. Step 2: Convert to fraction form
    8,857,643.60/13,286,465.40 = 7,262,008.40/x
  3. Step 3: Cross multiply
    8,857,643.60x = 13,286,465.40 × 7,262,008.40
  4. Step 4: Simplify right side
    8,857,643.60x = 96,486,423,341,109.38
  5. Step 5: Solve for x
    x = 96,486,423,341,109.38/8,857,643.60
  6. Step 6: Final answer
    x = 10,893,012.60

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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.