Home / 12,072,605.50-16,660,239.33-6,565,980.07

Finding the Fourth Proportional to 12,072,605.50, 16,660,239.33 and 6,565,980.07

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Solution

The fourth proportional to 12,072,605.50, 16,660,239.33 and 6,565,980.07 is: 9,061,076.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,072,605.50 : 16,660,239.33 = 6,565,980.07 : x
  2. Step 2: Convert to fraction form
    12,072,605.50/16,660,239.33 = 6,565,980.07/x
  3. Step 3: Cross multiply
    12,072,605.50x = 16,660,239.33 × 6,565,980.07
  4. Step 4: Simplify right side
    12,072,605.50x = 109,390,799,402,210.16
  5. Step 5: Solve for x
    x = 109,390,799,402,210.16/12,072,605.50
  6. Step 6: Final answer
    x = 9,061,076.29

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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.