Home / 9,007,864.74-12,431,742.50-5,140,964.43

Finding the Fourth Proportional to 9,007,864.74, 12,431,742.50 and 5,140,964.43

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Solution

The fourth proportional to 9,007,864.74, 12,431,742.50 and 5,140,964.43 is: 7,095,038.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,007,864.74 : 12,431,742.50 = 5,140,964.43 : x
  2. Step 2: Convert to fraction form
    9,007,864.74/12,431,742.50 = 5,140,964.43/x
  3. Step 3: Cross multiply
    9,007,864.74x = 12,431,742.50 × 5,140,964.43
  4. Step 4: Simplify right side
    9,007,864.74x = 63,911,146,008,271.68
  5. Step 5: Solve for x
    x = 63,911,146,008,271.68/9,007,864.74
  6. Step 6: Final answer
    x = 7,095,038.38

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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.