Home / 13,285,421.40-19,928,132.10-4,309,973.40

Finding the Fourth Proportional to 13,285,421.40, 19,928,132.10 and 4,309,973.40

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Solution

The fourth proportional to 13,285,421.40, 19,928,132.10 and 4,309,973.40 is: 6,464,960.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285,421.40 : 19,928,132.10 = 4,309,973.40 : x
  2. Step 2: Convert to fraction form
    13,285,421.40/19,928,132.10 = 4,309,973.40/x
  3. Step 3: Cross multiply
    13,285,421.40x = 19,928,132.10 × 4,309,973.40
  4. Step 4: Simplify right side
    13,285,421.40x = 85,889,719,262,686.16
  5. Step 5: Solve for x
    x = 85,889,719,262,686.16/13,285,421.40
  6. Step 6: Final answer
    x = 6,464,960.10

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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.