Home / 19,570,071.20-29,355,106.80-5,193,111.20

Finding the Fourth Proportional to 19,570,071.20, 29,355,106.80 and 5,193,111.20

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Solution

The fourth proportional to 19,570,071.20, 29,355,106.80 and 5,193,111.20 is: 7,789,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,570,071.20 : 29,355,106.80 = 5,193,111.20 : x
  2. Step 2: Convert to fraction form
    19,570,071.20/29,355,106.80 = 5,193,111.20/x
  3. Step 3: Cross multiply
    19,570,071.20x = 29,355,106.80 × 5,193,111.20
  4. Step 4: Simplify right side
    19,570,071.20x = 152,444,333,900,276.16
  5. Step 5: Solve for x
    x = 152,444,333,900,276.16/19,570,071.20
  6. Step 6: Final answer
    x = 7,789,666.80

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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.