Home / 27,592,378.12-38,078,656.50-15,369,240.52

Finding the Fourth Proportional to 27,592,378.12, 38,078,656.50 and 15,369,240.52

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Solution

The fourth proportional to 27,592,378.12, 38,078,656.50 and 15,369,240.52 is: 21,210,206.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,592,378.12 : 38,078,656.50 = 15,369,240.52 : x
  2. Step 2: Convert to fraction form
    27,592,378.12/38,078,656.50 = 15,369,240.52/x
  3. Step 3: Cross multiply
    27,592,378.12x = 38,078,656.50 × 15,369,240.52
  4. Step 4: Simplify right side
    27,592,378.12x = 585,240,030,426,961.38
  5. Step 5: Solve for x
    x = 585,240,030,426,961.38/27,592,378.12
  6. Step 6: Final answer
    x = 21,210,206.23

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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.