Home / 10,509,429.60-15,764,144.40-9,446,547.60

Finding the Fourth Proportional to 10,509,429.60, 15,764,144.40 and 9,446,547.60

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Solution

The fourth proportional to 10,509,429.60, 15,764,144.40 and 9,446,547.60 is: 14,169,821.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,509,429.60 : 15,764,144.40 = 9,446,547.60 : x
  2. Step 2: Convert to fraction form
    10,509,429.60/15,764,144.40 = 9,446,547.60/x
  3. Step 3: Cross multiply
    10,509,429.60x = 15,764,144.40 × 9,446,547.60
  4. Step 4: Simplify right side
    10,509,429.60x = 148,916,740,447,873.44
  5. Step 5: Solve for x
    x = 148,916,740,447,873.44/10,509,429.60
  6. Step 6: Final answer
    x = 14,169,821.40

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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.