Home / 15,767,864.37-21,759,041.79-8,798,179.68

Finding the Fourth Proportional to 15,767,864.37, 21,759,041.79 and 8,798,179.68

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Solution

The fourth proportional to 15,767,864.37, 21,759,041.79 and 8,798,179.68 is: 12,141,147.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,767,864.37 : 21,759,041.79 = 8,798,179.68 : x
  2. Step 2: Convert to fraction form
    15,767,864.37/21,759,041.79 = 8,798,179.68/x
  3. Step 3: Cross multiply
    15,767,864.37x = 21,759,041.79 × 8,798,179.68
  4. Step 4: Simplify right side
    15,767,864.37x = 191,439,959,333,048.81
  5. Step 5: Solve for x
    x = 191,439,959,333,048.81/15,767,864.37
  6. Step 6: Final answer
    x = 12,141,147.01

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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.