Home / 21,032,912.55-31,549,368.83-6,657,105.45

Finding the Fourth Proportional to 21,032,912.55, 31,549,368.83 and 6,657,105.45

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Solution

The fourth proportional to 21,032,912.55, 31,549,368.83 and 6,657,105.45 is: 9,985,658.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032,912.55 : 31,549,368.83 = 6,657,105.45 : x
  2. Step 2: Convert to fraction form
    21,032,912.55/31,549,368.83 = 6,657,105.45/x
  3. Step 3: Cross multiply
    21,032,912.55x = 31,549,368.83 × 6,657,105.45
  4. Step 4: Simplify right side
    21,032,912.55x = 210,027,475,148,967.59
  5. Step 5: Solve for x
    x = 210,027,475,148,967.59/21,032,912.55
  6. Step 6: Final answer
    x = 9,985,658.18

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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.