Home / 30,616,812.94-45,930,869.96-12,667,316.62

Finding the Fourth Proportional to 30,616,812.94, 45,930,869.96 and 12,667,316.62

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Solution

The fourth proportional to 30,616,812.94, 45,930,869.96 and 12,667,316.62 is: 19,003,312.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,616,812.94 : 45,930,869.96 = 12,667,316.62 : x
  2. Step 2: Convert to fraction form
    30,616,812.94/45,930,869.96 = 12,667,316.62/x
  3. Step 3: Cross multiply
    30,616,812.94x = 45,930,869.96 × 12,667,316.62
  4. Step 4: Simplify right side
    30,616,812.94x = 581,820,872,415,366.75
  5. Step 5: Solve for x
    x = 581,820,872,415,366.75/30,616,812.94
  6. Step 6: Final answer
    x = 19,003,312.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.