Home / 30,688,020.80-46,032,031.20-12,772,116.80

Finding the Fourth Proportional to 30,688,020.80, 46,032,031.20 and 12,772,116.80

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Solution

The fourth proportional to 30,688,020.80, 46,032,031.20 and 12,772,116.80 is: 19,158,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,688,020.80 : 46,032,031.20 = 12,772,116.80 : x
  2. Step 2: Convert to fraction form
    30,688,020.80/46,032,031.20 = 12,772,116.80/x
  3. Step 3: Cross multiply
    30,688,020.80x = 46,032,031.20 × 12,772,116.80
  4. Step 4: Simplify right side
    30,688,020.80x = 587,926,479,027,644.25
  5. Step 5: Solve for x
    x = 587,926,479,027,644.25/30,688,020.80
  6. Step 6: Final answer
    x = 19,158,175.20

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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.