Home / 12,730,653.81-19,095,793.74-3,146,032.08

Finding the Fourth Proportional to 12,730,653.81, 19,095,793.74 and 3,146,032.08

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Solution

The fourth proportional to 12,730,653.81, 19,095,793.74 and 3,146,032.08 is: 4,719,001.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,730,653.81 : 19,095,793.74 = 3,146,032.08 : x
  2. Step 2: Convert to fraction form
    12,730,653.81/19,095,793.74 = 3,146,032.08/x
  3. Step 3: Cross multiply
    12,730,653.81x = 19,095,793.74 × 3,146,032.08
  4. Step 4: Simplify right side
    12,730,653.81x = 60,075,979,699,103.17
  5. Step 5: Solve for x
    x = 60,075,979,699,103.17/12,730,653.81
  6. Step 6: Final answer
    x = 4,719,001.91

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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.