Home / 13,053,347.52-18,012,563.64-7,547,075.72

Finding the Fourth Proportional to 13,053,347.52, 18,012,563.64 and 7,547,075.72

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Solution

The fourth proportional to 13,053,347.52, 18,012,563.64 and 7,547,075.72 is: 10,414,353.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,053,347.52 : 18,012,563.64 = 7,547,075.72 : x
  2. Step 2: Convert to fraction form
    13,053,347.52/18,012,563.64 = 7,547,075.72/x
  3. Step 3: Cross multiply
    13,053,347.52x = 18,012,563.64 × 7,547,075.72
  4. Step 4: Simplify right side
    13,053,347.52x = 135,942,181,702,398.83
  5. Step 5: Solve for x
    x = 135,942,181,702,398.83/13,053,347.52
  6. Step 6: Final answer
    x = 10,414,353.98

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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.