Home / 13,130,500.28-19,692,312.35-3,905,987.31

Finding the Fourth Proportional to 13,130,500.28, 19,692,312.35 and 3,905,987.31

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Solution

The fourth proportional to 13,130,500.28, 19,692,312.35 and 3,905,987.31 is: 5,857,958.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,130,500.28 : 19,692,312.35 = 3,905,987.31 : x
  2. Step 2: Convert to fraction form
    13,130,500.28/19,692,312.35 = 3,905,987.31/x
  3. Step 3: Cross multiply
    13,130,500.28x = 19,692,312.35 × 3,905,987.31
  4. Step 4: Simplify right side
    13,130,500.28x = 76,917,922,124,126.34
  5. Step 5: Solve for x
    x = 76,917,922,124,126.34/13,130,500.28
  6. Step 6: Final answer
    x = 5,857,958.23

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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.