Home / 10,268,030.40-15,402,045.60-7,082,980.80

Finding the Fourth Proportional to 10,268,030.40, 15,402,045.60 and 7,082,980.80

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Solution

The fourth proportional to 10,268,030.40, 15,402,045.60 and 7,082,980.80 is: 10,624,471.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,268,030.40 : 15,402,045.60 = 7,082,980.80 : x
  2. Step 2: Convert to fraction form
    10,268,030.40/15,402,045.60 = 7,082,980.80/x
  3. Step 3: Cross multiply
    10,268,030.40x = 15,402,045.60 × 7,082,980.80
  4. Step 4: Simplify right side
    10,268,030.40x = 109,092,393,265,524.47
  5. Step 5: Solve for x
    x = 109,092,393,265,524.47/10,268,030.40
  6. Step 6: Final answer
    x = 10,624,471.20

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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.