Home / 28,236,214.16-38,968,855.08-16,637,394.32

Finding the Fourth Proportional to 28,236,214.16, 38,968,855.08 and 16,637,394.32

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Solution

The fourth proportional to 28,236,214.16, 38,968,855.08 and 16,637,394.32 is: 22,961,300.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,236,214.16 : 38,968,855.08 = 16,637,394.32 : x
  2. Step 2: Convert to fraction form
    28,236,214.16/38,968,855.08 = 16,637,394.32/x
  3. Step 3: Cross multiply
    28,236,214.16x = 38,968,855.08 × 16,637,394.32
  4. Step 4: Simplify right side
    28,236,214.16x = 648,340,208,164,895.12
  5. Step 5: Solve for x
    x = 648,340,208,164,895.12/28,236,214.16
  6. Step 6: Final answer
    x = 22,961,300.85

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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.