Home / 30,985,386.10-46,478,079.15-13,979,274.10

Finding the Fourth Proportional to 30,985,386.10, 46,478,079.15 and 13,979,274.10

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Solution

The fourth proportional to 30,985,386.10, 46,478,079.15 and 13,979,274.10 is: 20,968,911.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,985,386.10 : 46,478,079.15 = 13,979,274.10 : x
  2. Step 2: Convert to fraction form
    30,985,386.10/46,478,079.15 = 13,979,274.10/x
  3. Step 3: Cross multiply
    30,985,386.10x = 46,478,079.15 × 13,979,274.10
  4. Step 4: Simplify right side
    30,985,386.10x = 649,729,808,079,345
  5. Step 5: Solve for x
    x = 649,729,808,079,345/30,985,386.10
  6. Step 6: Final answer
    x = 20,968,911.15

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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.