Home / 10,742,663.23-16,103,220.44-4,989,437.21

Finding the Fourth Proportional to 10,742,663.23, 16,103,220.44 and 4,989,437.21

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Solution

The fourth proportional to 10,742,663.23, 16,103,220.44 and 4,989,437.21 is: 7,479,151.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,742,663.23 : 16,103,220.44 = 4,989,437.21 : x
  2. Step 2: Convert to fraction form
    10,742,663.23/16,103,220.44 = 4,989,437.21/x
  3. Step 3: Cross multiply
    10,742,663.23x = 16,103,220.44 × 4,989,437.21
  4. Step 4: Simplify right side
    10,742,663.23x = 80,346,007,264,168.56
  5. Step 5: Solve for x
    x = 80,346,007,264,168.56/10,742,663.23
  6. Step 6: Final answer
    x = 7,479,151.64

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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.