Home / 19,254,368.93-28,890,895.13-8,470,268.51

Finding the Fourth Proportional to 19,254,368.93, 28,890,895.13 and 8,470,268.51

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Solution

The fourth proportional to 19,254,368.93, 28,890,895.13 and 8,470,268.51 is: 12,709,512.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,254,368.93 : 28,890,895.13 = 8,470,268.51 : x
  2. Step 2: Convert to fraction form
    19,254,368.93/28,890,895.13 = 8,470,268.51/x
  3. Step 3: Cross multiply
    19,254,368.93x = 28,890,895.13 × 8,470,268.51
  4. Step 4: Simplify right side
    19,254,368.93x = 244,713,639,203,000
  5. Step 5: Solve for x
    x = 244,713,639,203,000/19,254,368.93
  6. Step 6: Final answer
    x = 12,709,512.32

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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.