Home / 7,128,558.40-10,688,114.40-3,935,214.40

Finding the Fourth Proportional to 7,128,558.40, 10,688,114.40 and 3,935,214.40

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Solution

The fourth proportional to 7,128,558.40, 10,688,114.40 and 3,935,214.40 is: 5,900,214.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,558.40 : 10,688,114.40 = 3,935,214.40 : x
  2. Step 2: Convert to fraction form
    7,128,558.40/10,688,114.40 = 3,935,214.40/x
  3. Step 3: Cross multiply
    7,128,558.40x = 10,688,114.40 × 3,935,214.40
  4. Step 4: Simplify right side
    7,128,558.40x = 42,060,021,695,727.36
  5. Step 5: Solve for x
    x = 42,060,021,695,727.36/7,128,558.40
  6. Step 6: Final answer
    x = 5,900,214.23

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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.