Home / 28,972,180.40-43,464,102.60-8,501,860.40

Finding the Fourth Proportional to 28,972,180.40, 43,464,102.60 and 8,501,860.40

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Solution

The fourth proportional to 28,972,180.40, 43,464,102.60 and 8,501,860.40 is: 12,754,502.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,972,180.40 : 43,464,102.60 = 8,501,860.40 : x
  2. Step 2: Convert to fraction form
    28,972,180.40/43,464,102.60 = 8,501,860.40/x
  3. Step 3: Cross multiply
    28,972,180.40x = 43,464,102.60 × 8,501,860.40
  4. Step 4: Simplify right side
    28,972,180.40x = 369,525,732,716,477.06
  5. Step 5: Solve for x
    x = 369,525,732,716,477.06/28,972,180.40
  6. Step 6: Final answer
    x = 12,754,502.00

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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.