Home / 9,986,518.65-13,781,259.64-5,576,312.40

Finding the Fourth Proportional to 9,986,518.65, 13,781,259.64 and 5,576,312.40

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Solution

The fourth proportional to 9,986,518.65, 13,781,259.64 and 5,576,312.40 is: 7,695,235.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986,518.65 : 13,781,259.64 = 5,576,312.40 : x
  2. Step 2: Convert to fraction form
    9,986,518.65/13,781,259.64 = 5,576,312.40/x
  3. Step 3: Cross multiply
    9,986,518.65x = 13,781,259.64 × 5,576,312.40
  4. Step 4: Simplify right side
    9,986,518.65x = 76,848,608,973,442.20
  5. Step 5: Solve for x
    x = 76,848,608,973,442.20/9,986,518.65
  6. Step 6: Final answer
    x = 7,695,235.11

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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.