Home / 8,749,319.28-12,075,151.08-5,077,447.44

Finding the Fourth Proportional to 8,749,319.28, 12,075,151.08 and 5,077,447.44

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Solution

The fourth proportional to 8,749,319.28, 12,075,151.08 and 5,077,447.44 is: 7,007,510.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749,319.28 : 12,075,151.08 = 5,077,447.44 : x
  2. Step 2: Convert to fraction form
    8,749,319.28/12,075,151.08 = 5,077,447.44/x
  3. Step 3: Cross multiply
    8,749,319.28x = 12,075,151.08 × 5,077,447.44
  4. Step 4: Simplify right side
    8,749,319.28x = 61,310,944,938,759.24
  5. Step 5: Solve for x
    x = 61,310,944,938,759.24/8,749,319.28
  6. Step 6: Final answer
    x = 7,007,510.30

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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.