Home / 14,465,990.70-21,683,894.88-4,878,072.54

Finding the Fourth Proportional to 14,465,990.70, 21,683,894.88 and 4,878,072.54

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Solution

The fourth proportional to 14,465,990.70, 21,683,894.88 and 4,878,072.54 is: 7,312,019.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,465,990.70 : 21,683,894.88 = 4,878,072.54 : x
  2. Step 2: Convert to fraction form
    14,465,990.70/21,683,894.88 = 4,878,072.54/x
  3. Step 3: Cross multiply
    14,465,990.70x = 21,683,894.88 × 4,878,072.54
  4. Step 4: Simplify right side
    14,465,990.70x = 105,775,612,174,374.59
  5. Step 5: Solve for x
    x = 105,775,612,174,374.59/14,465,990.70
  6. Step 6: Final answer
    x = 7,312,019.92

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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.