Home / 30,000,667.79-45,000,673.63-7,281,565.04

Finding the Fourth Proportional to 30,000,667.79, 45,000,673.63 and 7,281,565.04

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Solution

The fourth proportional to 30,000,667.79, 45,000,673.63 and 7,281,565.04 is: 10,922,267.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,000,667.79 : 45,000,673.63 = 7,281,565.04 : x
  2. Step 2: Convert to fraction form
    30,000,667.79/45,000,673.63 = 7,281,565.04/x
  3. Step 3: Cross multiply
    30,000,667.79x = 45,000,673.63 × 7,281,565.04
  4. Step 4: Simplify right side
    30,000,667.79x = 327,675,331,768,156.19
  5. Step 5: Solve for x
    x = 327,675,331,768,156.19/30,000,667.79
  6. Step 6: Final answer
    x = 10,922,267.93

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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.