Home / 12,849,749.18-19,265,036.94-7,730,979.56

Finding the Fourth Proportional to 12,849,749.18, 19,265,036.94 and 7,730,979.56

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Solution

The fourth proportional to 12,849,749.18, 19,265,036.94 and 7,730,979.56 is: 11,590,701.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,849,749.18 : 19,265,036.94 = 7,730,979.56 : x
  2. Step 2: Convert to fraction form
    12,849,749.18/19,265,036.94 = 7,730,979.56/x
  3. Step 3: Cross multiply
    12,849,749.18x = 19,265,036.94 × 7,730,979.56
  4. Step 4: Simplify right side
    12,849,749.18x = 148,937,606,805,784.94
  5. Step 5: Solve for x
    x = 148,937,606,805,784.94/12,849,749.18
  6. Step 6: Final answer
    x = 11,590,701.48

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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.