Home / 7,139,513.80-10,709,270.70-6,828,522.40

Finding the Fourth Proportional to 7,139,513.80, 10,709,270.70 and 6,828,522.40

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Solution

The fourth proportional to 7,139,513.80, 10,709,270.70 and 6,828,522.40 is: 10,242,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,139,513.80 : 10,709,270.70 = 6,828,522.40 : x
  2. Step 2: Convert to fraction form
    7,139,513.80/10,709,270.70 = 6,828,522.40/x
  3. Step 3: Cross multiply
    7,139,513.80x = 10,709,270.70 × 6,828,522.40
  4. Step 4: Simplify right side
    7,139,513.80x = 73,128,494,862,613.67
  5. Step 5: Solve for x
    x = 73,128,494,862,613.67/7,139,513.80
  6. Step 6: Final answer
    x = 10,242,783.60

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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.