Home / 12,986,554.10-19,479,831.15-5,894,842.10

Finding the Fourth Proportional to 12,986,554.10, 19,479,831.15 and 5,894,842.10

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Solution

The fourth proportional to 12,986,554.10, 19,479,831.15 and 5,894,842.10 is: 8,842,263.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,986,554.10 : 19,479,831.15 = 5,894,842.10 : x
  2. Step 2: Convert to fraction form
    12,986,554.10/19,479,831.15 = 5,894,842.10/x
  3. Step 3: Cross multiply
    12,986,554.10x = 19,479,831.15 × 5,894,842.10
  4. Step 4: Simplify right side
    12,986,554.10x = 114,830,528,763,911.41
  5. Step 5: Solve for x
    x = 114,830,528,763,911.41/12,986,554.10
  6. Step 6: Final answer
    x = 8,842,263.15

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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.