Home / 28,301,363.58-42,447,898.17-13,920,571.26

Finding the Fourth Proportional to 28,301,363.58, 42,447,898.17 and 13,920,571.26

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Solution

The fourth proportional to 28,301,363.58, 42,447,898.17 and 13,920,571.26 is: 20,878,817.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,301,363.58 : 42,447,898.17 = 13,920,571.26 : x
  2. Step 2: Convert to fraction form
    28,301,363.58/42,447,898.17 = 13,920,571.26/x
  3. Step 3: Cross multiply
    28,301,363.58x = 42,447,898.17 × 13,920,571.26
  4. Step 4: Simplify right side
    28,301,363.58x = 590,898,991,312,708.62
  5. Step 5: Solve for x
    x = 590,898,991,312,708.62/28,301,363.58
  6. Step 6: Final answer
    x = 20,878,817.01

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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.