Home / 10,953,381.40-15,110,637.42-7,087,162.84

Finding the Fourth Proportional to 10,953,381.40, 15,110,637.42 and 7,087,162.84

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Solution

The fourth proportional to 10,953,381.40, 15,110,637.42 and 7,087,162.84 is: 9,777,030.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,953,381.40 : 15,110,637.42 = 7,087,162.84 : x
  2. Step 2: Convert to fraction form
    10,953,381.40/15,110,637.42 = 7,087,162.84/x
  3. Step 3: Cross multiply
    10,953,381.40x = 15,110,637.42 × 7,087,162.84
  4. Step 4: Simplify right side
    10,953,381.40x = 107,091,548,011,737.47
  5. Step 5: Solve for x
    x = 107,091,548,011,737.47/10,953,381.40
  6. Step 6: Final answer
    x = 9,777,030.86

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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.