Home / 18,249,351.54-25,184,113.01-9,989,460.93

Finding the Fourth Proportional to 18,249,351.54, 25,184,113.01 and 9,989,460.93

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Solution

The fourth proportional to 18,249,351.54, 25,184,113.01 and 9,989,460.93 is: 13,785,460.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,249,351.54 : 25,184,113.01 = 9,989,460.93 : x
  2. Step 2: Convert to fraction form
    18,249,351.54/25,184,113.01 = 9,989,460.93/x
  3. Step 3: Cross multiply
    18,249,351.54x = 25,184,113.01 × 9,989,460.93
  4. Step 4: Simplify right side
    18,249,351.54x = 251,575,713,111,910.75
  5. Step 5: Solve for x
    x = 251,575,713,111,910.75/18,249,351.54
  6. Step 6: Final answer
    x = 13,785,460.41

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1.5x scale

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.