Home / 20,808,001.40-31,212,002.10-10,730,305.40

Finding the Fourth Proportional to 20,808,001.40, 31,212,002.10 and 10,730,305.40

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Solution

The fourth proportional to 20,808,001.40, 31,212,002.10 and 10,730,305.40 is: 16,095,458.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,808,001.40 : 31,212,002.10 = 10,730,305.40 : x
  2. Step 2: Convert to fraction form
    20,808,001.40/31,212,002.10 = 10,730,305.40/x
  3. Step 3: Cross multiply
    20,808,001.40x = 31,212,002.10 × 10,730,305.40
  4. Step 4: Simplify right side
    20,808,001.40x = 334,914,314,678,441.38
  5. Step 5: Solve for x
    x = 334,914,314,678,441.38/20,808,001.40
  6. Step 6: Final answer
    x = 16,095,458.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.