Home / 9,978,356.40-14,946,539.40-8,298,740.40

Finding the Fourth Proportional to 9,978,356.40, 14,946,539.40 and 8,298,740.40

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Solution

The fourth proportional to 9,978,356.40, 14,946,539.40 and 8,298,740.40 is: 12,430,649.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,978,356.40 : 14,946,539.40 = 8,298,740.40 : x
  2. Step 2: Convert to fraction form
    9,978,356.40/14,946,539.40 = 8,298,740.40/x
  3. Step 3: Cross multiply
    9,978,356.40x = 14,946,539.40 × 8,298,740.40
  4. Step 4: Simplify right side
    9,978,356.40x = 124,037,450,358,971.77
  5. Step 5: Solve for x
    x = 124,037,450,358,971.77/9,978,356.40
  6. Step 6: Final answer
    x = 12,430,649.44

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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.