Home / 15,896,560.78-21,937,783.18-8,928,464.40

Finding the Fourth Proportional to 15,896,560.78, 21,937,783.18 and 8,928,464.40

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Solution

The fourth proportional to 15,896,560.78, 21,937,783.18 and 8,928,464.40 is: 12,321,578.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,896,560.78 : 21,937,783.18 = 8,928,464.40 : x
  2. Step 2: Convert to fraction form
    15,896,560.78/21,937,783.18 = 8,928,464.40/x
  3. Step 3: Cross multiply
    15,896,560.78x = 21,937,783.18 × 8,928,464.40
  4. Step 4: Simplify right side
    15,896,560.78x = 195,870,716,137,548.81
  5. Step 5: Solve for x
    x = 195,870,716,137,548.81/15,896,560.78
  6. Step 6: Final answer
    x = 12,321,578.16

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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.