Home / 10,366,579.68-15,549,869.52-7,138,075.60

Finding the Fourth Proportional to 10,366,579.68, 15,549,869.52 and 7,138,075.60

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Solution

The fourth proportional to 10,366,579.68, 15,549,869.52 and 7,138,075.60 is: 10,707,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366,579.68 : 15,549,869.52 = 7,138,075.60 : x
  2. Step 2: Convert to fraction form
    10,366,579.68/15,549,869.52 = 7,138,075.60/x
  3. Step 3: Cross multiply
    10,366,579.68x = 15,549,869.52 × 7,138,075.60
  4. Step 4: Simplify right side
    10,366,579.68x = 110,996,144,203,895.70
  5. Step 5: Solve for x
    x = 110,996,144,203,895.70/10,366,579.68
  6. Step 6: Final answer
    x = 10,707,113.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.