Home / 12,937,653.40-19,406,480.10-12,307,797.40

Finding the Fourth Proportional to 12,937,653.40, 19,406,480.10 and 12,307,797.40

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Solution

The fourth proportional to 12,937,653.40, 19,406,480.10 and 12,307,797.40 is: 18,461,696.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,937,653.40 : 19,406,480.10 = 12,307,797.40 : x
  2. Step 2: Convert to fraction form
    12,937,653.40/19,406,480.10 = 12,307,797.40/x
  3. Step 3: Cross multiply
    12,937,653.40x = 19,406,480.10 × 12,307,797.40
  4. Step 4: Simplify right side
    12,937,653.40x = 238,851,025,317,931.75
  5. Step 5: Solve for x
    x = 238,851,025,317,931.75/12,937,653.40
  6. Step 6: Final answer
    x = 18,461,696.10

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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.