Home / 13,210,308.72-19,817,433-4,689,931.68

Finding the Fourth Proportional to 13,210,308.72, 19,817,433 and 4,689,931.68

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Solution

The fourth proportional to 13,210,308.72, 19,817,433 and 4,689,931.68 is: 7,035,596.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210,308.72 : 19,817,433 = 4,689,931.68 : x
  2. Step 2: Convert to fraction form
    13,210,308.72/19,817,433 = 4,689,931.68/x
  3. Step 3: Cross multiply
    13,210,308.72x = 19,817,433 × 4,689,931.68
  4. Step 4: Simplify right side
    13,210,308.72x = 92,942,406,842,977.44
  5. Step 5: Solve for x
    x = 92,942,406,842,977.44/13,210,308.72
  6. Step 6: Final answer
    x = 7,035,596.88

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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.