Home / 14,346,934.64-19,798,608.65-7,820,420.90

Finding the Fourth Proportional to 14,346,934.64, 19,798,608.65 and 7,820,420.90

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Solution

The fourth proportional to 14,346,934.64, 19,798,608.65 and 7,820,420.90 is: 10,792,092.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,346,934.64 : 19,798,608.65 = 7,820,420.90 : x
  2. Step 2: Convert to fraction form
    14,346,934.64/19,798,608.65 = 7,820,420.90/x
  3. Step 3: Cross multiply
    14,346,934.64x = 19,798,608.65 × 7,820,420.90
  4. Step 4: Simplify right side
    14,346,934.64x = 154,833,452,758,836.69
  5. Step 5: Solve for x
    x = 154,833,452,758,836.69/14,346,934.64
  6. Step 6: Final answer
    x = 10,792,092.99

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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.