Home / 28,348,439.04-39,108,574.08-17,335,670.40

Finding the Fourth Proportional to 28,348,439.04, 39,108,574.08 and 17,335,670.40

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Solution

The fourth proportional to 28,348,439.04, 39,108,574.08 and 17,335,670.40 is: 23,915,720.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,348,439.04 : 39,108,574.08 = 17,335,670.40 : x
  2. Step 2: Convert to fraction form
    28,348,439.04/39,108,574.08 = 17,335,670.40/x
  3. Step 3: Cross multiply
    28,348,439.04x = 39,108,574.08 × 17,335,670.40
  4. Step 4: Simplify right side
    28,348,439.04x = 677,973,350,064,863.12
  5. Step 5: Solve for x
    x = 677,973,350,064,863.12/28,348,439.04
  6. Step 6: Final answer
    x = 23,915,720.69

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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.