Home / 14,674,421.80-21,961,866.30-12,882,831.40

Finding the Fourth Proportional to 14,674,421.80, 21,961,866.30 and 12,882,831.40

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Solution

The fourth proportional to 14,674,421.80, 21,961,866.30 and 12,882,831.40 is: 19,280,556.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,674,421.80 : 21,961,866.30 = 12,882,831.40 : x
  2. Step 2: Convert to fraction form
    14,674,421.80/21,961,866.30 = 12,882,831.40/x
  3. Step 3: Cross multiply
    14,674,421.80x = 21,961,866.30 × 12,882,831.40
  4. Step 4: Simplify right side
    14,674,421.80x = 282,931,020,772,241.81
  5. Step 5: Solve for x
    x = 282,931,020,772,241.81/14,674,421.80
  6. Step 6: Final answer
    x = 19,280,556.65

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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.