Home / 10,452,140.40-15,678,210.60-6,625,765.20

Finding the Fourth Proportional to 10,452,140.40, 15,678,210.60 and 6,625,765.20

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Solution

The fourth proportional to 10,452,140.40, 15,678,210.60 and 6,625,765.20 is: 9,938,647.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,452,140.40 : 15,678,210.60 = 6,625,765.20 : x
  2. Step 2: Convert to fraction form
    10,452,140.40/15,678,210.60 = 6,625,765.20/x
  3. Step 3: Cross multiply
    10,452,140.40x = 15,678,210.60 × 6,625,765.20
  4. Step 4: Simplify right side
    10,452,140.40x = 103,880,142,191,751.12
  5. Step 5: Solve for x
    x = 103,880,142,191,751.12/10,452,140.40
  6. Step 6: Final answer
    x = 9,938,647.80

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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.