Home / 10,516,853.98-15,733,774.14-7,965,420.40

Finding the Fourth Proportional to 10,516,853.98, 15,733,774.14 and 7,965,420.40

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Solution

The fourth proportional to 10,516,853.98, 15,733,774.14 and 7,965,420.40 is: 11,916,693.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,516,853.98 : 15,733,774.14 = 7,965,420.40 : x
  2. Step 2: Convert to fraction form
    10,516,853.98/15,733,774.14 = 7,965,420.40/x
  3. Step 3: Cross multiply
    10,516,853.98x = 15,733,774.14 × 7,965,420.40
  4. Step 4: Simplify right side
    10,516,853.98x = 125,326,125,503,748.47
  5. Step 5: Solve for x
    x = 125,326,125,503,748.47/10,516,853.98
  6. Step 6: Final answer
    x = 11,916,693.50

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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.