Home / 28,499,579.19-39,333,061.62-15,941,331.77

Finding the Fourth Proportional to 28,499,579.19, 39,333,061.62 and 15,941,331.77

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Solution

The fourth proportional to 28,499,579.19, 39,333,061.62 and 15,941,331.77 is: 22,001,075.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,499,579.19 : 39,333,061.62 = 15,941,331.77 : x
  2. Step 2: Convert to fraction form
    28,499,579.19/39,333,061.62 = 15,941,331.77/x
  3. Step 3: Cross multiply
    28,499,579.19x = 39,333,061.62 × 15,941,331.77
  4. Step 4: Simplify right side
    28,499,579.19x = 627,021,384,617,608.38
  5. Step 5: Solve for x
    x = 627,021,384,617,608.38/28,499,579.19
  6. Step 6: Final answer
    x = 22,001,075.19

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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.