Home / 26,212,214.40-39,287,439.54-11,818,430.16

Finding the Fourth Proportional to 26,212,214.40, 39,287,439.54 and 11,818,430.16

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Solution

The fourth proportional to 26,212,214.40, 39,287,439.54 and 11,818,430.16 is: 17,713,721.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,212,214.40 : 39,287,439.54 = 11,818,430.16 : x
  2. Step 2: Convert to fraction form
    26,212,214.40/39,287,439.54 = 11,818,430.16/x
  3. Step 3: Cross multiply
    26,212,214.40x = 39,287,439.54 × 11,818,430.16
  4. Step 4: Simplify right side
    26,212,214.40x = 464,315,860,368,712.50
  5. Step 5: Solve for x
    x = 464,315,860,368,712.50/26,212,214.40
  6. Step 6: Final answer
    x = 17,713,721.29

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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.