Home / 7,780,464.05-11,671,256.59-2,988,153.32

Finding the Fourth Proportional to 7,780,464.05, 11,671,256.59 and 2,988,153.32

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Solution

The fourth proportional to 7,780,464.05, 11,671,256.59 and 2,988,153.32 is: 4,482,445.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,780,464.05 : 11,671,256.59 = 2,988,153.32 : x
  2. Step 2: Convert to fraction form
    7,780,464.05/11,671,256.59 = 2,988,153.32/x
  3. Step 3: Cross multiply
    7,780,464.05x = 11,671,256.59 × 2,988,153.32
  4. Step 4: Simplify right side
    7,780,464.05x = 34,875,504,127,980.38
  5. Step 5: Solve for x
    x = 34,875,504,127,980.38/7,780,464.05
  6. Step 6: Final answer
    x = 4,482,445.25

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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.