Home / 15,785,778-21,784,373.64-8,542,434

Finding the Fourth Proportional to 15,785,778, 21,784,373.64 and 8,542,434

Calculator

Solution

The fourth proportional to 15,785,778, 21,784,373.64 and 8,542,434 is: 11,788,558.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,785,778 : 21,784,373.64 = 8,542,434 : x
  2. Step 2: Convert to fraction form
    15,785,778/21,784,373.64 = 8,542,434/x
  3. Step 3: Cross multiply
    15,785,778x = 21,784,373.64 × 8,542,434
  4. Step 4: Simplify right side
    15,785,778x = 186,091,574,051,039.75
  5. Step 5: Solve for x
    x = 186,091,574,051,039.75/15,785,778
  6. Step 6: Final answer
    x = 11,788,558.92

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.