Home / 15,338,421.80-23,007,632.70-7,764,403.40

Finding the Fourth Proportional to 15,338,421.80, 23,007,632.70 and 7,764,403.40

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Solution

The fourth proportional to 15,338,421.80, 23,007,632.70 and 7,764,403.40 is: 11,646,605.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,338,421.80 : 23,007,632.70 = 7,764,403.40 : x
  2. Step 2: Convert to fraction form
    15,338,421.80/23,007,632.70 = 7,764,403.40/x
  3. Step 3: Cross multiply
    15,338,421.80x = 23,007,632.70 × 7,764,403.40
  4. Step 4: Simplify right side
    15,338,421.80x = 178,640,541,561,831.19
  5. Step 5: Solve for x
    x = 178,640,541,561,831.19/15,338,421.80
  6. Step 6: Final answer
    x = 11,646,605.10

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1.5x scale

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.