Home / 7,107,360.48-10,661,123.34-1,989,486.45

Finding the Fourth Proportional to 7,107,360.48, 10,661,123.34 and 1,989,486.45

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Solution

The fourth proportional to 7,107,360.48, 10,661,123.34 and 1,989,486.45 is: 2,984,252.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,107,360.48 : 10,661,123.34 = 1,989,486.45 : x
  2. Step 2: Convert to fraction form
    7,107,360.48/10,661,123.34 = 1,989,486.45/x
  3. Step 3: Cross multiply
    7,107,360.48x = 10,661,123.34 × 1,989,486.45
  4. Step 4: Simplify right side
    7,107,360.48x = 21,210,160,426,708.74
  5. Step 5: Solve for x
    x = 21,210,160,426,708.74/7,107,360.48
  6. Step 6: Final answer
    x = 2,984,252.80

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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.