Home / 10,563,900.78-15,927,319.74-10,498,323.54

Finding the Fourth Proportional to 10,563,900.78, 15,927,319.74 and 10,498,323.54

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Solution

The fourth proportional to 10,563,900.78, 15,927,319.74 and 10,498,323.54 is: 15,828,448.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,563,900.78 : 15,927,319.74 = 10,498,323.54 : x
  2. Step 2: Convert to fraction form
    10,563,900.78/15,927,319.74 = 10,498,323.54/x
  3. Step 3: Cross multiply
    10,563,900.78x = 15,927,319.74 × 10,498,323.54
  4. Step 4: Simplify right side
    10,563,900.78x = 167,210,155,755,548.66
  5. Step 5: Solve for x
    x = 167,210,155,755,548.66/10,563,900.78
  6. Step 6: Final answer
    x = 15,828,448.15

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.