Home / 21,030,495.90-31,548,696.30-6,652,064.40

Finding the Fourth Proportional to 21,030,495.90, 31,548,696.30 and 6,652,064.40

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Solution

The fourth proportional to 21,030,495.90, 31,548,696.30 and 6,652,064.40 is: 9,979,030.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,030,495.90 : 31,548,696.30 = 6,652,064.40 : x
  2. Step 2: Convert to fraction form
    21,030,495.90/31,548,696.30 = 6,652,064.40/x
  3. Step 3: Cross multiply
    21,030,495.90x = 31,548,696.30 × 6,652,064.40
  4. Step 4: Simplify right side
    21,030,495.90x = 209,863,959,523,641.75
  5. Step 5: Solve for x
    x = 209,863,959,523,641.75/21,030,495.90
  6. Step 6: Final answer
    x = 9,979,030.48

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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.