Home / 14,904,075.60-20,569,802.40-8,378,242.56

Finding the Fourth Proportional to 14,904,075.60, 20,569,802.40 and 8,378,242.56

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Solution

The fourth proportional to 14,904,075.60, 20,569,802.40 and 8,378,242.56 is: 11,563,199.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,904,075.60 : 20,569,802.40 = 8,378,242.56 : x
  2. Step 2: Convert to fraction form
    14,904,075.60/20,569,802.40 = 8,378,242.56/x
  3. Step 3: Cross multiply
    14,904,075.60x = 20,569,802.40 × 8,378,242.56
  4. Step 4: Simplify right side
    14,904,075.60x = 172,338,793,918,470.12
  5. Step 5: Solve for x
    x = 172,338,793,918,470.12/14,904,075.60
  6. Step 6: Final answer
    x = 11,563,199.12

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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.