Home / 13,820,106.40-20,730,159.60-12,225,783.40

Finding the Fourth Proportional to 13,820,106.40, 20,730,159.60 and 12,225,783.40

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Solution

The fourth proportional to 13,820,106.40, 20,730,159.60 and 12,225,783.40 is: 18,338,675.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,820,106.40 : 20,730,159.60 = 12,225,783.40 : x
  2. Step 2: Convert to fraction form
    13,820,106.40/20,730,159.60 = 12,225,783.40/x
  3. Step 3: Cross multiply
    13,820,106.40x = 20,730,159.60 × 12,225,783.40
  4. Step 4: Simplify right side
    13,820,106.40x = 253,442,441,117,030.66
  5. Step 5: Solve for x
    x = 253,442,441,117,030.66/13,820,106.40
  6. Step 6: Final answer
    x = 18,338,675.10

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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.