Home / 19,490,821.92-26,897,007.78-10,788,807.24

Finding the Fourth Proportional to 19,490,821.92, 26,897,007.78 and 10,788,807.24

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Solution

The fourth proportional to 19,490,821.92, 26,897,007.78 and 10,788,807.24 is: 14,888,373.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,490,821.92 : 26,897,007.78 = 10,788,807.24 : x
  2. Step 2: Convert to fraction form
    19,490,821.92/26,897,007.78 = 10,788,807.24/x
  3. Step 3: Cross multiply
    19,490,821.92x = 26,897,007.78 × 10,788,807.24
  4. Step 4: Simplify right side
    19,490,821.92x = 290,186,632,271,200.38
  5. Step 5: Solve for x
    x = 290,186,632,271,200.38/19,490,821.92
  6. Step 6: Final answer
    x = 14,888,373.28

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1.5x scale

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.