Home / 27,598,357.61-38,085,985.40-15,208,895.57

Finding the Fourth Proportional to 27,598,357.61, 38,085,985.40 and 15,208,895.57

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Solution

The fourth proportional to 27,598,357.61, 38,085,985.40 and 15,208,895.57 is: 20,988,414.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,598,357.61 : 38,085,985.40 = 15,208,895.57 : x
  2. Step 2: Convert to fraction form
    27,598,357.61/38,085,985.40 = 15,208,895.57/x
  3. Step 3: Cross multiply
    27,598,357.61x = 38,085,985.40 × 15,208,895.57
  4. Step 4: Simplify right side
    27,598,357.61x = 579,245,774,705,348.50
  5. Step 5: Solve for x
    x = 579,245,774,705,348.50/27,598,357.61
  6. Step 6: Final answer
    x = 20,988,414.70

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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.