Home / 37,584,421.52-51,870,804.40-21,069,006.72

Finding the Fourth Proportional to 37,584,421.52, 51,870,804.40 and 21,069,006.72

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Solution

The fourth proportional to 37,584,421.52, 51,870,804.40 and 21,069,006.72 is: 29,077,641.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,584,421.52 : 51,870,804.40 = 21,069,006.72 : x
  2. Step 2: Convert to fraction form
    37,584,421.52/51,870,804.40 = 21,069,006.72/x
  3. Step 3: Cross multiply
    37,584,421.52x = 51,870,804.40 × 21,069,006.72
  4. Step 4: Simplify right side
    37,584,421.52x = 1,092,866,326,475,405.50
  5. Step 5: Solve for x
    x = 1,092,866,326,475,405.50/37,584,421.52
  6. Step 6: Final answer
    x = 29,077,641.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.