Home / 10,739,913.60-16,128,532.80-10,403,990.40

Finding the Fourth Proportional to 10,739,913.60, 16,128,532.80 and 10,403,990.40

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Solution

The fourth proportional to 10,739,913.60, 16,128,532.80 and 10,403,990.40 is: 15,624,064.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,739,913.60 : 16,128,532.80 = 10,403,990.40 : x
  2. Step 2: Convert to fraction form
    10,739,913.60/16,128,532.80 = 10,403,990.40/x
  3. Step 3: Cross multiply
    10,739,913.60x = 16,128,532.80 × 10,403,990.40
  4. Step 4: Simplify right side
    10,739,913.60x = 167,801,100,417,285.12
  5. Step 5: Solve for x
    x = 167,801,100,417,285.12/10,739,913.60
  6. Step 6: Final answer
    x = 15,624,064.28

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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.