Home / 14,339,938.90-21,509,908.35-12,772,297.30

Finding the Fourth Proportional to 14,339,938.90, 21,509,908.35 and 12,772,297.30

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Solution

The fourth proportional to 14,339,938.90, 21,509,908.35 and 12,772,297.30 is: 19,158,445.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339,938.90 : 21,509,908.35 = 12,772,297.30 : x
  2. Step 2: Convert to fraction form
    14,339,938.90/21,509,908.35 = 12,772,297.30/x
  3. Step 3: Cross multiply
    14,339,938.90x = 21,509,908.35 × 12,772,297.30
  4. Step 4: Simplify right side
    14,339,938.90x = 274,730,944,341,952.50
  5. Step 5: Solve for x
    x = 274,730,944,341,952.50/14,339,938.90
  6. Step 6: Final answer
    x = 19,158,445.95

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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.