Home / 30,632,913.10-45,886,384.05-21,059,101.90

Finding the Fourth Proportional to 30,632,913.10, 45,886,384.05 and 21,059,101.90

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Solution

The fourth proportional to 30,632,913.10, 45,886,384.05 and 21,059,101.90 is: 31,545,352.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,632,913.10 : 45,886,384.05 = 21,059,101.90 : x
  2. Step 2: Convert to fraction form
    30,632,913.10/45,886,384.05 = 21,059,101.90/x
  3. Step 3: Cross multiply
    30,632,913.10x = 45,886,384.05 × 21,059,101.90
  4. Step 4: Simplify right side
    30,632,913.10x = 966,326,037,531,484.62
  5. Step 5: Solve for x
    x = 966,326,037,531,484.62/30,632,913.10
  6. Step 6: Final answer
    x = 31,545,352.36

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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.