Home / 7,260,407.40-10,011,935.70-4,812,168.36

Finding the Fourth Proportional to 7,260,407.40, 10,011,935.70 and 4,812,168.36

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Solution

The fourth proportional to 7,260,407.40, 10,011,935.70 and 4,812,168.36 is: 6,635,870.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260,407.40 : 10,011,935.70 = 4,812,168.36 : x
  2. Step 2: Convert to fraction form
    7,260,407.40/10,011,935.70 = 4,812,168.36/x
  3. Step 3: Cross multiply
    7,260,407.40x = 10,011,935.70 × 4,812,168.36
  4. Step 4: Simplify right side
    7,260,407.40x = 48,179,120,197,894.45
  5. Step 5: Solve for x
    x = 48,179,120,197,894.45/7,260,407.40
  6. Step 6: Final answer
    x = 6,635,870.07

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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.