Home / 9,121,396.50-12,587,332.96-4,991,411.02

Finding the Fourth Proportional to 9,121,396.50, 12,587,332.96 and 4,991,411.02

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Solution

The fourth proportional to 9,121,396.50, 12,587,332.96 and 4,991,411.02 is: 6,888,040.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121,396.50 : 12,587,332.96 = 4,991,411.02 : x
  2. Step 2: Convert to fraction form
    9,121,396.50/12,587,332.96 = 4,991,411.02/x
  3. Step 3: Cross multiply
    9,121,396.50x = 12,587,332.96 × 4,991,411.02
  4. Step 4: Simplify right side
    9,121,396.50x = 62,828,552,448,953.22
  5. Step 5: Solve for x
    x = 62,828,552,448,953.22/9,121,396.50
  6. Step 6: Final answer
    x = 6,888,040.93

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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.