Home / 12,197,280.69-16,832,775.12-7,301,555.43

Finding the Fourth Proportional to 12,197,280.69, 16,832,775.12 and 7,301,555.43

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Solution

The fourth proportional to 12,197,280.69, 16,832,775.12 and 7,301,555.43 is: 10,076,462.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,197,280.69 : 16,832,775.12 = 7,301,555.43 : x
  2. Step 2: Convert to fraction form
    12,197,280.69/16,832,775.12 = 7,301,555.43/x
  3. Step 3: Cross multiply
    12,197,280.69x = 16,832,775.12 × 7,301,555.43
  4. Step 4: Simplify right side
    12,197,280.69x = 122,905,440,579,404.91
  5. Step 5: Solve for x
    x = 122,905,440,579,404.91/12,197,280.69
  6. Step 6: Final answer
    x = 10,076,462.43

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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.