Home / 15,926,967.54-21,978,582.02-9,402,698.62

Finding the Fourth Proportional to 15,926,967.54, 21,978,582.02 and 9,402,698.62

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Solution

The fourth proportional to 15,926,967.54, 21,978,582.02 and 9,402,698.62 is: 12,975,350.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,926,967.54 : 21,978,582.02 = 9,402,698.62 : x
  2. Step 2: Convert to fraction form
    15,926,967.54/21,978,582.02 = 9,402,698.62/x
  3. Step 3: Cross multiply
    15,926,967.54x = 21,978,582.02 × 9,402,698.62
  4. Step 4: Simplify right side
    15,926,967.54x = 206,657,982,829,010.78
  5. Step 5: Solve for x
    x = 206,657,982,829,010.78/15,926,967.54
  6. Step 6: Final answer
    x = 12,975,350.29

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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.