Home / 9,042,962.84-12,479,430.34-4,913,075.78

Finding the Fourth Proportional to 9,042,962.84, 12,479,430.34 and 4,913,075.78

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Solution

The fourth proportional to 9,042,962.84, 12,479,430.34 and 4,913,075.78 is: 6,780,121.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,042,962.84 : 12,479,430.34 = 4,913,075.78 : x
  2. Step 2: Convert to fraction form
    9,042,962.84/12,479,430.34 = 4,913,075.78/x
  3. Step 3: Cross multiply
    9,042,962.84x = 12,479,430.34 × 4,913,075.78
  4. Step 4: Simplify right side
    9,042,962.84x = 61,312,386,951,651.16
  5. Step 5: Solve for x
    x = 61,312,386,951,651.16/9,042,962.84
  6. Step 6: Final answer
    x = 6,780,121.52

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1.5x scale

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.