Home / 12,849,746.16-19,265,032.44-7,730,976.54

Finding the Fourth Proportional to 12,849,746.16, 19,265,032.44 and 7,730,976.54

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Solution

The fourth proportional to 12,849,746.16, 19,265,032.44 and 7,730,976.54 is: 11,590,696.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,849,746.16 : 19,265,032.44 = 7,730,976.54 : x
  2. Step 2: Convert to fraction form
    12,849,746.16/19,265,032.44 = 7,730,976.54/x
  3. Step 3: Cross multiply
    12,849,746.16x = 19,265,032.44 × 7,730,976.54
  4. Step 4: Simplify right side
    12,849,746.16x = 148,937,513,835,978.97
  5. Step 5: Solve for x
    x = 148,937,513,835,978.97/12,849,746.16
  6. Step 6: Final answer
    x = 11,590,696.97

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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.