Home / 14,658,518.13-20,220,350.59-9,142,316.21

Finding the Fourth Proportional to 14,658,518.13, 20,220,350.59 and 9,142,316.21

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Solution

The fourth proportional to 14,658,518.13, 20,220,350.59 and 9,142,316.21 is: 12,611,154.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658,518.13 : 20,220,350.59 = 9,142,316.21 : x
  2. Step 2: Convert to fraction form
    14,658,518.13/20,220,350.59 = 9,142,316.21/x
  3. Step 3: Cross multiply
    14,658,518.13x = 20,220,350.59 × 9,142,316.21
  4. Step 4: Simplify right side
    14,658,518.13x = 184,860,838,970,840.09
  5. Step 5: Solve for x
    x = 184,860,838,970,840.09/14,658,518.13
  6. Step 6: Final answer
    x = 12,611,154.64

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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.