Home / 20,677,014.48-28,533,807-12,946,319.28

Finding the Fourth Proportional to 20,677,014.48, 28,533,807 and 12,946,319.28

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Solution

The fourth proportional to 20,677,014.48, 28,533,807 and 12,946,319.28 is: 17,865,624.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,677,014.48 : 28,533,807 = 12,946,319.28 : x
  2. Step 2: Convert to fraction form
    20,677,014.48/28,533,807 = 12,946,319.28/x
  3. Step 3: Cross multiply
    20,677,014.48x = 28,533,807 × 12,946,319.28
  4. Step 4: Simplify right side
    20,677,014.48x = 369,407,775,695,898.94
  5. Step 5: Solve for x
    x = 369,407,775,695,898.94/20,677,014.48
  6. Step 6: Final answer
    x = 17,865,624.46

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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.