Home / 10,865,987.80-16,298,981.70-10,698,026.20

Finding the Fourth Proportional to 10,865,987.80, 16,298,981.70 and 10,698,026.20

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Solution

The fourth proportional to 10,865,987.80, 16,298,981.70 and 10,698,026.20 is: 16,047,039.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,987.80 : 16,298,981.70 = 10,698,026.20 : x
  2. Step 2: Convert to fraction form
    10,865,987.80/16,298,981.70 = 10,698,026.20/x
  3. Step 3: Cross multiply
    10,865,987.80x = 16,298,981.70 × 10,698,026.20
  4. Step 4: Simplify right side
    10,865,987.80x = 174,366,933,259,920.53
  5. Step 5: Solve for x
    x = 174,366,933,259,920.53/10,865,987.80
  6. Step 6: Final answer
    x = 16,047,039.30

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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.