Home / 30,369,875.76-45,545,439.60-8,806,066.92

Finding the Fourth Proportional to 30,369,875.76, 45,545,439.60 and 8,806,066.92

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Solution

The fourth proportional to 30,369,875.76, 45,545,439.60 and 8,806,066.92 is: 13,206,382.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,369,875.76 : 45,545,439.60 = 8,806,066.92 : x
  2. Step 2: Convert to fraction form
    30,369,875.76/45,545,439.60 = 8,806,066.92/x
  3. Step 3: Cross multiply
    30,369,875.76x = 45,545,439.60 × 8,806,066.92
  4. Step 4: Simplify right side
    30,369,875.76x = 401,076,189,018,418.06
  5. Step 5: Solve for x
    x = 401,076,189,018,418.06/30,369,875.76
  6. Step 6: Final answer
    x = 13,206,382.28

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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.