Home / 9,110,567.90-12,572,733.12-5,439,805.40

Finding the Fourth Proportional to 9,110,567.90, 12,572,733.12 and 5,439,805.40

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Solution

The fourth proportional to 9,110,567.90, 12,572,733.12 and 5,439,805.40 is: 7,507,020.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,110,567.90 : 12,572,733.12 = 5,439,805.40 : x
  2. Step 2: Convert to fraction form
    9,110,567.90/12,572,733.12 = 5,439,805.40/x
  3. Step 3: Cross multiply
    9,110,567.90x = 12,572,733.12 × 5,439,805.40
  4. Step 4: Simplify right side
    9,110,567.90x = 68,393,221,518,934.85
  5. Step 5: Solve for x
    x = 68,393,221,518,934.85/9,110,567.90
  6. Step 6: Final answer
    x = 7,507,020.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.