Home / 30,616,809.18-45,930,864.33-12,667,312.86

Finding the Fourth Proportional to 30,616,809.18, 45,930,864.33 and 12,667,312.86

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Solution

The fourth proportional to 30,616,809.18, 45,930,864.33 and 12,667,312.86 is: 19,003,307.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,616,809.18 : 45,930,864.33 = 12,667,312.86 : x
  2. Step 2: Convert to fraction form
    30,616,809.18/45,930,864.33 = 12,667,312.86/x
  3. Step 3: Cross multiply
    30,616,809.18x = 45,930,864.33 × 12,667,312.86
  4. Step 4: Simplify right side
    30,616,809.18x = 581,820,628,398,324.25
  5. Step 5: Solve for x
    x = 581,820,628,398,324.25/30,616,809.18
  6. Step 6: Final answer
    x = 19,003,307.14

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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.