Home / 49,829,009.40-74,754,011.70-21,060,336.60

Finding the Fourth Proportional to 49,829,009.40, 74,754,011.70 and 21,060,336.60

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Solution

The fourth proportional to 49,829,009.40, 74,754,011.70 and 21,060,336.60 is: 31,594,941.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,829,009.40 : 74,754,011.70 = 21,060,336.60 : x
  2. Step 2: Convert to fraction form
    49,829,009.40/74,754,011.70 = 21,060,336.60/x
  3. Step 3: Cross multiply
    49,829,009.40x = 74,754,011.70 × 21,060,336.60
  4. Step 4: Simplify right side
    49,829,009.40x = 1,574,344,648,602,338.50
  5. Step 5: Solve for x
    x = 1,574,344,648,602,338.50/49,829,009.40
  6. Step 6: Final answer
    x = 31,594,941.73

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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.