Home / 7,490,065.74-10,343,429.40-7,082,012.85

Finding the Fourth Proportional to 7,490,065.74, 10,343,429.40 and 7,082,012.85

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Solution

The fourth proportional to 7,490,065.74, 10,343,429.40 and 7,082,012.85 is: 9,779,927.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490,065.74 : 10,343,429.40 = 7,082,012.85 : x
  2. Step 2: Convert to fraction form
    7,490,065.74/10,343,429.40 = 7,082,012.85/x
  3. Step 3: Cross multiply
    7,490,065.74x = 10,343,429.40 × 7,082,012.85
  4. Step 4: Simplify right side
    7,490,065.74x = 73,252,299,923,867.78
  5. Step 5: Solve for x
    x = 73,252,299,923,867.78/7,490,065.74
  6. Step 6: Final answer
    x = 9,779,927.50

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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.