Home / 19,382,880.40-29,069,071.80-5,736,000.40

Finding the Fourth Proportional to 19,382,880.40, 29,069,071.80 and 5,736,000.40

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Solution

The fourth proportional to 19,382,880.40, 29,069,071.80 and 5,736,000.40 is: 8,602,447.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,382,880.40 : 29,069,071.80 = 5,736,000.40 : x
  2. Step 2: Convert to fraction form
    19,382,880.40/29,069,071.80 = 5,736,000.40/x
  3. Step 3: Cross multiply
    19,382,880.40x = 29,069,071.80 × 5,736,000.40
  4. Step 4: Simplify right side
    19,382,880.40x = 166,740,207,472,428.75
  5. Step 5: Solve for x
    x = 166,740,207,472,428.75/19,382,880.40
  6. Step 6: Final answer
    x = 8,602,447.32

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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.