Home / 10,692,140.72-16,038,342.28-7,072,043.36

Finding the Fourth Proportional to 10,692,140.72, 16,038,342.28 and 7,072,043.36

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Solution

The fourth proportional to 10,692,140.72, 16,038,342.28 and 7,072,043.36 is: 10,608,151.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,692,140.72 : 16,038,342.28 = 7,072,043.36 : x
  2. Step 2: Convert to fraction form
    10,692,140.72/16,038,342.28 = 7,072,043.36/x
  3. Step 3: Cross multiply
    10,692,140.72x = 16,038,342.28 × 7,072,043.36
  4. Step 4: Simplify right side
    10,692,140.72x = 113,423,852,015,473.38
  5. Step 5: Solve for x
    x = 113,423,852,015,473.38/10,692,140.72
  6. Step 6: Final answer
    x = 10,608,151.82

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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.