Home / 14,626,429.20-21,939,643.80-7,068,157.20

Finding the Fourth Proportional to 14,626,429.20, 21,939,643.80 and 7,068,157.20

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Solution

The fourth proportional to 14,626,429.20, 21,939,643.80 and 7,068,157.20 is: 10,602,235.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,626,429.20 : 21,939,643.80 = 7,068,157.20 : x
  2. Step 2: Convert to fraction form
    14,626,429.20/21,939,643.80 = 7,068,157.20/x
  3. Step 3: Cross multiply
    14,626,429.20x = 21,939,643.80 × 7,068,157.20
  4. Step 4: Simplify right side
    14,626,429.20x = 155,072,851,290,405.38
  5. Step 5: Solve for x
    x = 155,072,851,290,405.38/14,626,429.20
  6. Step 6: Final answer
    x = 10,602,235.80

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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.