Home / 13,440,646.40-20,160,969.60-9,661,510.40

Finding the Fourth Proportional to 13,440,646.40, 20,160,969.60 and 9,661,510.40

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Solution

The fourth proportional to 13,440,646.40, 20,160,969.60 and 9,661,510.40 is: 14,492,265.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,440,646.40 : 20,160,969.60 = 9,661,510.40 : x
  2. Step 2: Convert to fraction form
    13,440,646.40/20,160,969.60 = 9,661,510.40/x
  3. Step 3: Cross multiply
    13,440,646.40x = 20,160,969.60 × 9,661,510.40
  4. Step 4: Simplify right side
    13,440,646.40x = 194,785,417,464,483.88
  5. Step 5: Solve for x
    x = 194,785,417,464,483.88/13,440,646.40
  6. Step 6: Final answer
    x = 14,492,265.60

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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.