Home / 9,353,513.04-12,908,937-7,780,866.76

Finding the Fourth Proportional to 9,353,513.04, 12,908,937 and 7,780,866.76

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Solution

The fourth proportional to 9,353,513.04, 12,908,937 and 7,780,866.76 is: 10,738,502.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,353,513.04 : 12,908,937 = 7,780,866.76 : x
  2. Step 2: Convert to fraction form
    9,353,513.04/12,908,937 = 7,780,866.76/x
  3. Step 3: Cross multiply
    9,353,513.04x = 12,908,937 × 7,780,866.76
  4. Step 4: Simplify right side
    9,353,513.04x = 100,442,718,810,234.11
  5. Step 5: Solve for x
    x = 100,442,718,810,234.11/9,353,513.04
  6. Step 6: Final answer
    x = 10,738,502.03

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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.