Home / 12,909,730.17-19,361,368.21-3,810,021.69

Finding the Fourth Proportional to 12,909,730.17, 19,361,368.21 and 3,810,021.69

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Solution

The fourth proportional to 12,909,730.17, 19,361,368.21 and 3,810,021.69 is: 5,714,080.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,909,730.17 : 19,361,368.21 = 3,810,021.69 : x
  2. Step 2: Convert to fraction form
    12,909,730.17/19,361,368.21 = 3,810,021.69/x
  3. Step 3: Cross multiply
    12,909,730.17x = 19,361,368.21 × 3,810,021.69
  4. Step 4: Simplify right side
    12,909,730.17x = 73,767,232,721,844.58
  5. Step 5: Solve for x
    x = 73,767,232,721,844.58/12,909,730.17
  6. Step 6: Final answer
    x = 5,714,080.14

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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.