Home / 21,041,774.35-31,564,451.40-7,393,742.11

Finding the Fourth Proportional to 21,041,774.35, 31,564,451.40 and 7,393,742.11

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Solution

The fourth proportional to 21,041,774.35, 31,564,451.40 and 7,393,742.11 is: 11,091,242.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,041,774.35 : 31,564,451.40 = 7,393,742.11 : x
  2. Step 2: Convert to fraction form
    21,041,774.35/31,564,451.40 = 7,393,742.11/x
  3. Step 3: Cross multiply
    21,041,774.35x = 31,564,451.40 × 7,393,742.11
  4. Step 4: Simplify right side
    21,041,774.35x = 233,379,413,495,228.47
  5. Step 5: Solve for x
    x = 233,379,413,495,228.47/21,041,774.35
  6. Step 6: Final answer
    x = 11,091,242.10

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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.