Home / 10,290,543.40-14,201,822.82-5,708,341

Finding the Fourth Proportional to 10,290,543.40, 14,201,822.82 and 5,708,341

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Solution

The fourth proportional to 10,290,543.40, 14,201,822.82 and 5,708,341 is: 7,877,994.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290,543.40 : 14,201,822.82 = 5,708,341 : x
  2. Step 2: Convert to fraction form
    10,290,543.40/14,201,822.82 = 5,708,341/x
  3. Step 3: Cross multiply
    10,290,543.40x = 14,201,822.82 × 5,708,341
  4. Step 4: Simplify right side
    10,290,543.40x = 81,068,847,478,141.62
  5. Step 5: Solve for x
    x = 81,068,847,478,141.62/10,290,543.40
  6. Step 6: Final answer
    x = 7,877,994.81

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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.