Home / 13,225,885.98-18,251,715.51-7,424,678.94

Finding the Fourth Proportional to 13,225,885.98, 18,251,715.51 and 7,424,678.94

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Solution

The fourth proportional to 13,225,885.98, 18,251,715.51 and 7,424,678.94 is: 10,246,052.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,225,885.98 : 18,251,715.51 = 7,424,678.94 : x
  2. Step 2: Convert to fraction form
    13,225,885.98/18,251,715.51 = 7,424,678.94/x
  3. Step 3: Cross multiply
    13,225,885.98x = 18,251,715.51 × 7,424,678.94
  4. Step 4: Simplify right side
    13,225,885.98x = 135,513,127,765,968.38
  5. Step 5: Solve for x
    x = 135,513,127,765,968.38/13,225,885.98
  6. Step 6: Final answer
    x = 10,246,052.93

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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.