Home / 40,742,784.60-61,114,176.90-10,450,647.60

Finding the Fourth Proportional to 40,742,784.60, 61,114,176.90 and 10,450,647.60

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Solution

The fourth proportional to 40,742,784.60, 61,114,176.90 and 10,450,647.60 is: 15,675,971.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,742,784.60 : 61,114,176.90 = 10,450,647.60 : x
  2. Step 2: Convert to fraction form
    40,742,784.60/61,114,176.90 = 10,450,647.60/x
  3. Step 3: Cross multiply
    40,742,784.60x = 61,114,176.90 × 10,450,647.60
  4. Step 4: Simplify right side
    40,742,784.60x = 638,682,726,145,960.38
  5. Step 5: Solve for x
    x = 638,682,726,145,960.38/40,742,784.60
  6. Step 6: Final answer
    x = 15,675,971.40

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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.