Home / 13,823,968.68-19,077,088.74-7,712,398.44

Finding the Fourth Proportional to 13,823,968.68, 19,077,088.74 and 7,712,398.44

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Solution

The fourth proportional to 13,823,968.68, 19,077,088.74 and 7,712,398.44 is: 10,643,116.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,823,968.68 : 19,077,088.74 = 7,712,398.44 : x
  2. Step 2: Convert to fraction form
    13,823,968.68/19,077,088.74 = 7,712,398.44/x
  3. Step 3: Cross multiply
    13,823,968.68x = 19,077,088.74 × 7,712,398.44
  4. Step 4: Simplify right side
    13,823,968.68x = 147,130,109,438,117.56
  5. Step 5: Solve for x
    x = 147,130,109,438,117.56/13,823,968.68
  6. Step 6: Final answer
    x = 10,643,116.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.