Home / 30,985,362.60-46,478,043.90-13,979,250.60

Finding the Fourth Proportional to 30,985,362.60, 46,478,043.90 and 13,979,250.60

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Solution

The fourth proportional to 30,985,362.60, 46,478,043.90 and 13,979,250.60 is: 20,968,875.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,985,362.60 : 46,478,043.90 = 13,979,250.60 : x
  2. Step 2: Convert to fraction form
    30,985,362.60/46,478,043.90 = 13,979,250.60/x
  3. Step 3: Cross multiply
    30,985,362.60x = 46,478,043.90 × 13,979,250.60
  4. Step 4: Simplify right side
    30,985,362.60x = 649,728,223,075,901.25
  5. Step 5: Solve for x
    x = 649,728,223,075,901.25/30,985,362.60
  6. Step 6: Final answer
    x = 20,968,875.90

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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.