Home / 39,827,980.36-59,746,590.78-13,912,257.16

Finding the Fourth Proportional to 39,827,980.36, 59,746,590.78 and 13,912,257.16

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Solution

The fourth proportional to 39,827,980.36, 59,746,590.78 and 13,912,257.16 is: 20,869,999.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,827,980.36 : 59,746,590.78 = 13,912,257.16 : x
  2. Step 2: Convert to fraction form
    39,827,980.36/59,746,590.78 = 13,912,257.16/x
  3. Step 3: Cross multiply
    39,827,980.36x = 59,746,590.78 × 13,912,257.16
  4. Step 4: Simplify right side
    39,827,980.36x = 831,209,935,364,645
  5. Step 5: Solve for x
    x = 831,209,935,364,645/39,827,980.36
  6. Step 6: Final answer
    x = 20,869,999.63

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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.