Home / 27,703,059.78-38,230,230.74-15,144,169.01

Finding the Fourth Proportional to 27,703,059.78, 38,230,230.74 and 15,144,169.01

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Solution

The fourth proportional to 27,703,059.78, 38,230,230.74 and 15,144,169.01 is: 20,898,957.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,703,059.78 : 38,230,230.74 = 15,144,169.01 : x
  2. Step 2: Convert to fraction form
    27,703,059.78/38,230,230.74 = 15,144,169.01/x
  3. Step 3: Cross multiply
    27,703,059.78x = 38,230,230.74 × 15,144,169.01
  4. Step 4: Simplify right side
    27,703,059.78x = 578,965,075,697,572.12
  5. Step 5: Solve for x
    x = 578,965,075,697,572.12/27,703,059.78
  6. Step 6: Final answer
    x = 20,898,957.74

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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.