Home / 14,184,864.80-21,263,300.40-6,990,509.60

Finding the Fourth Proportional to 14,184,864.80, 21,263,300.40 and 6,990,509.60

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Solution

The fourth proportional to 14,184,864.80, 21,263,300.40 and 6,990,509.60 is: 10,478,866.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,184,864.80 : 21,263,300.40 = 6,990,509.60 : x
  2. Step 2: Convert to fraction form
    14,184,864.80/21,263,300.40 = 6,990,509.60/x
  3. Step 3: Cross multiply
    14,184,864.80x = 21,263,300.40 × 6,990,509.60
  4. Step 4: Simplify right side
    14,184,864.80x = 148,641,305,573,883.81
  5. Step 5: Solve for x
    x = 148,641,305,573,883.81/14,184,864.80
  6. Step 6: Final answer
    x = 10,478,866.57

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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.