Home / 10,455,740.40-15,683,610.60-2,779,370.40

Finding the Fourth Proportional to 10,455,740.40, 15,683,610.60 and 2,779,370.40

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Solution

The fourth proportional to 10,455,740.40, 15,683,610.60 and 2,779,370.40 is: 4,169,055.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455,740.40 : 15,683,610.60 = 2,779,370.40 : x
  2. Step 2: Convert to fraction form
    10,455,740.40/15,683,610.60 = 2,779,370.40/x
  3. Step 3: Cross multiply
    10,455,740.40x = 15,683,610.60 × 2,779,370.40
  4. Step 4: Simplify right side
    10,455,740.40x = 43,590,563,066,766.23
  5. Step 5: Solve for x
    x = 43,590,563,066,766.23/10,455,740.40
  6. Step 6: Final answer
    x = 4,169,055.60

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1.5x scale

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.