Home / 15,904,582.86-21,941,393.72-10,020,645.24

Finding the Fourth Proportional to 15,904,582.86, 21,941,393.72 and 10,020,645.24

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Solution

The fourth proportional to 15,904,582.86, 21,941,393.72 and 10,020,645.24 is: 13,824,123.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,904,582.86 : 21,941,393.72 = 10,020,645.24 : x
  2. Step 2: Convert to fraction form
    15,904,582.86/21,941,393.72 = 10,020,645.24/x
  3. Step 3: Cross multiply
    15,904,582.86x = 21,941,393.72 × 10,020,645.24
  4. Step 4: Simplify right side
    15,904,582.86x = 219,866,922,539,283.88
  5. Step 5: Solve for x
    x = 219,866,922,539,283.88/15,904,582.86
  6. Step 6: Final answer
    x = 13,824,123.81

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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.