Home / 28,571,437.86-39,429,103.67-16,184,103.22

Finding the Fourth Proportional to 28,571,437.86, 39,429,103.67 and 16,184,103.22

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Solution

The fourth proportional to 28,571,437.86, 39,429,103.67 and 16,184,103.22 is: 22,334,356.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,571,437.86 : 39,429,103.67 = 16,184,103.22 : x
  2. Step 2: Convert to fraction form
    28,571,437.86/39,429,103.67 = 16,184,103.22/x
  3. Step 3: Cross multiply
    28,571,437.86x = 39,429,103.67 × 16,184,103.22
  4. Step 4: Simplify right side
    28,571,437.86x = 638,124,683,667,360.88
  5. Step 5: Solve for x
    x = 638,124,683,667,360.88/28,571,437.86
  6. Step 6: Final answer
    x = 22,334,356.67

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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.