Home / 19,683,607.20-29,525,410.80-17,920,010.40

Finding the Fourth Proportional to 19,683,607.20, 29,525,410.80 and 17,920,010.40

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Solution

The fourth proportional to 19,683,607.20, 29,525,410.80 and 17,920,010.40 is: 26,880,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,683,607.20 : 29,525,410.80 = 17,920,010.40 : x
  2. Step 2: Convert to fraction form
    19,683,607.20/29,525,410.80 = 17,920,010.40/x
  3. Step 3: Cross multiply
    19,683,607.20x = 29,525,410.80 × 17,920,010.40
  4. Step 4: Simplify right side
    19,683,607.20x = 529,095,668,600,272.31
  5. Step 5: Solve for x
    x = 529,095,668,600,272.31/19,683,607.20
  6. Step 6: Final answer
    x = 26,880,015.60

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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.