Home / 15,654,519-21,604,258.04-9,039,386.70

Finding the Fourth Proportional to 15,654,519, 21,604,258.04 and 9,039,386.70

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Solution

The fourth proportional to 15,654,519, 21,604,258.04 and 9,039,386.70 is: 12,474,943.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,654,519 : 21,604,258.04 = 9,039,386.70 : x
  2. Step 2: Convert to fraction form
    15,654,519/21,604,258.04 = 9,039,386.70/x
  3. Step 3: Cross multiply
    15,654,519x = 21,604,258.04 × 9,039,386.70
  4. Step 4: Simplify right side
    15,654,519x = 195,289,242,744,947.12
  5. Step 5: Solve for x
    x = 195,289,242,744,947.12/15,654,519
  6. Step 6: Final answer
    x = 12,474,943.67

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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.