Home / 18,312,999.98-25,271,011.90-10,870,980.10

Finding the Fourth Proportional to 18,312,999.98, 25,271,011.90 and 10,870,980.10

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Solution

The fourth proportional to 18,312,999.98, 25,271,011.90 and 10,870,980.10 is: 15,001,401.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,312,999.98 : 25,271,011.90 = 10,870,980.10 : x
  2. Step 2: Convert to fraction form
    18,312,999.98/25,271,011.90 = 10,870,980.10/x
  3. Step 3: Cross multiply
    18,312,999.98x = 25,271,011.90 × 10,870,980.10
  4. Step 4: Simplify right side
    18,312,999.98x = 274,720,667,555,428.44
  5. Step 5: Solve for x
    x = 274,720,667,555,428.44/18,312,999.98
  6. Step 6: Final answer
    x = 15,001,401.62

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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.