Home / 10,507,466.40-15,773,641.20-10,432,816.80

Finding the Fourth Proportional to 10,507,466.40, 15,773,641.20 and 10,432,816.80

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Solution

The fourth proportional to 10,507,466.40, 15,773,641.20 and 10,432,816.80 is: 15,661,578.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,507,466.40 : 15,773,641.20 = 10,432,816.80 : x
  2. Step 2: Convert to fraction form
    10,507,466.40/15,773,641.20 = 10,432,816.80/x
  3. Step 3: Cross multiply
    10,507,466.40x = 15,773,641.20 × 10,432,816.80
  4. Step 4: Simplify right side
    10,507,466.40x = 164,563,508,908,532.16
  5. Step 5: Solve for x
    x = 164,563,508,908,532.16/10,507,466.40
  6. Step 6: Final answer
    x = 15,661,578.41

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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.