Home / 19,221,095.40-28,831,643.10-9,143,399.40

Finding the Fourth Proportional to 19,221,095.40, 28,831,643.10 and 9,143,399.40

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Solution

The fourth proportional to 19,221,095.40, 28,831,643.10 and 9,143,399.40 is: 13,715,099.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,221,095.40 : 28,831,643.10 = 9,143,399.40 : x
  2. Step 2: Convert to fraction form
    19,221,095.40/28,831,643.10 = 9,143,399.40/x
  3. Step 3: Cross multiply
    19,221,095.40x = 28,831,643.10 × 9,143,399.40
  4. Step 4: Simplify right side
    19,221,095.40x = 263,619,228,221,554.16
  5. Step 5: Solve for x
    x = 263,619,228,221,554.16/19,221,095.40
  6. Step 6: Final answer
    x = 13,715,099.10

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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.