Home / 7,119,416.16-9,825,498.72-4,064,090.40

Finding the Fourth Proportional to 7,119,416.16, 9,825,498.72 and 4,064,090.40

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Solution

The fourth proportional to 7,119,416.16, 9,825,498.72 and 4,064,090.40 is: 5,608,846.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119,416.16 : 9,825,498.72 = 4,064,090.40 : x
  2. Step 2: Convert to fraction form
    7,119,416.16/9,825,498.72 = 4,064,090.40/x
  3. Step 3: Cross multiply
    7,119,416.16x = 9,825,498.72 × 4,064,090.40
  4. Step 4: Simplify right side
    7,119,416.16x = 39,931,715,023,164.29
  5. Step 5: Solve for x
    x = 39,931,715,023,164.29/7,119,416.16
  6. Step 6: Final answer
    x = 5,608,846.87

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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.