Home / 10,357,019.64-14,298,811.38-9,207,920.64

Finding the Fourth Proportional to 10,357,019.64, 14,298,811.38 and 9,207,920.64

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Solution

The fourth proportional to 10,357,019.64, 14,298,811.38 and 9,207,920.64 is: 12,712,375.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,357,019.64 : 14,298,811.38 = 9,207,920.64 : x
  2. Step 2: Convert to fraction form
    10,357,019.64/14,298,811.38 = 9,207,920.64/x
  3. Step 3: Cross multiply
    10,357,019.64x = 14,298,811.38 × 9,207,920.64
  4. Step 4: Simplify right side
    10,357,019.64x = 131,662,320,433,368.91
  5. Step 5: Solve for x
    x = 131,662,320,433,368.91/10,357,019.64
  6. Step 6: Final answer
    x = 12,712,375.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.