Home / 8,578,085.78-11,840,415.54-5,522,300

Finding the Fourth Proportional to 8,578,085.78, 11,840,415.54 and 5,522,300

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Solution

The fourth proportional to 8,578,085.78, 11,840,415.54 and 5,522,300 is: 7,622,484.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,578,085.78 : 11,840,415.54 = 5,522,300 : x
  2. Step 2: Convert to fraction form
    8,578,085.78/11,840,415.54 = 5,522,300/x
  3. Step 3: Cross multiply
    8,578,085.78x = 11,840,415.54 × 5,522,300
  4. Step 4: Simplify right side
    8,578,085.78x = 65,386,326,736,541.99
  5. Step 5: Solve for x
    x = 65,386,326,736,541.99/8,578,085.78
  6. Step 6: Final answer
    x = 7,622,484.60

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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.