Home / 10,739,868.60-16,128,465.30-10,403,945.40

Finding the Fourth Proportional to 10,739,868.60, 16,128,465.30 and 10,403,945.40

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Solution

The fourth proportional to 10,739,868.60, 16,128,465.30 and 10,403,945.40 is: 15,623,996.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,739,868.60 : 16,128,465.30 = 10,403,945.40 : x
  2. Step 2: Convert to fraction form
    10,739,868.60/16,128,465.30 = 10,403,945.40/x
  3. Step 3: Cross multiply
    10,739,868.60x = 16,128,465.30 × 10,403,945.40
  4. Step 4: Simplify right side
    10,739,868.60x = 167,799,672,366,994.62
  5. Step 5: Solve for x
    x = 167,799,672,366,994.62/10,739,868.60
  6. Step 6: Final answer
    x = 15,623,996.77

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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.