Home / 30,985,371.10-46,478,056.65-13,979,259.10

Finding the Fourth Proportional to 30,985,371.10, 46,478,056.65 and 13,979,259.10

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Solution

The fourth proportional to 30,985,371.10, 46,478,056.65 and 13,979,259.10 is: 20,968,888.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,985,371.10 : 46,478,056.65 = 13,979,259.10 : x
  2. Step 2: Convert to fraction form
    30,985,371.10/46,478,056.65 = 13,979,259.10/x
  3. Step 3: Cross multiply
    30,985,371.10x = 46,478,056.65 × 13,979,259.10
  4. Step 4: Simplify right side
    30,985,371.10x = 649,728,796,374,828
  5. Step 5: Solve for x
    x = 649,728,796,374,828/30,985,371.10
  6. Step 6: Final answer
    x = 20,968,888.65

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Double scale
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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.