Home / 19,326,767.70-28,990,156.95-5,679,913.34

Finding the Fourth Proportional to 19,326,767.70, 28,990,156.95 and 5,679,913.34

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Solution

The fourth proportional to 19,326,767.70, 28,990,156.95 and 5,679,913.34 is: 8,519,871.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,326,767.70 : 28,990,156.95 = 5,679,913.34 : x
  2. Step 2: Convert to fraction form
    19,326,767.70/28,990,156.95 = 5,679,913.34/x
  3. Step 3: Cross multiply
    19,326,767.70x = 28,990,156.95 × 5,679,913.34
  4. Step 4: Simplify right side
    19,326,767.70x = 164,661,579,071,777.03
  5. Step 5: Solve for x
    x = 164,661,579,071,777.03/19,326,767.70
  6. Step 6: Final answer
    x = 8,519,871.59

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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.