Home / 52,020,798.36-78,042,154.32-19,671,984.72

Finding the Fourth Proportional to 52,020,798.36, 78,042,154.32 and 19,671,984.72

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Solution

The fourth proportional to 52,020,798.36, 78,042,154.32 and 19,671,984.72 is: 29,512,120.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,020,798.36 : 78,042,154.32 = 19,671,984.72 : x
  2. Step 2: Convert to fraction form
    52,020,798.36/78,042,154.32 = 19,671,984.72/x
  3. Step 3: Cross multiply
    52,020,798.36x = 78,042,154.32 × 19,671,984.72
  4. Step 4: Simplify right side
    52,020,798.36x = 1,535,244,067,298,921.75
  5. Step 5: Solve for x
    x = 1,535,244,067,298,921.75/52,020,798.36
  6. Step 6: Final answer
    x = 29,512,120.45

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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.