Home / 9,260,959.65-12,779,958.49-5,130,907.89

Finding the Fourth Proportional to 9,260,959.65, 12,779,958.49 and 5,130,907.89

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Solution

The fourth proportional to 9,260,959.65, 12,779,958.49 and 5,130,907.89 is: 7,080,561.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,260,959.65 : 12,779,958.49 = 5,130,907.89 : x
  2. Step 2: Convert to fraction form
    9,260,959.65/12,779,958.49 = 5,130,907.89/x
  3. Step 3: Cross multiply
    9,260,959.65x = 12,779,958.49 × 5,130,907.89
  4. Step 4: Simplify right side
    9,260,959.65x = 65,572,789,850,213.48
  5. Step 5: Solve for x
    x = 65,572,789,850,213.48/9,260,959.65
  6. Step 6: Final answer
    x = 7,080,561.01

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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.