Home / 13,230,055.80-19,840,418.10-4,710,670.20

Finding the Fourth Proportional to 13,230,055.80, 19,840,418.10 and 4,710,670.20

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Solution

The fourth proportional to 13,230,055.80, 19,840,418.10 and 4,710,670.20 is: 7,064,344.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230,055.80 : 19,840,418.10 = 4,710,670.20 : x
  2. Step 2: Convert to fraction form
    13,230,055.80/19,840,418.10 = 4,710,670.20/x
  3. Step 3: Cross multiply
    13,230,055.80x = 19,840,418.10 × 4,710,670.20
  4. Step 4: Simplify right side
    13,230,055.80x = 93,461,666,299,210.62
  5. Step 5: Solve for x
    x = 93,461,666,299,210.62/13,230,055.80
  6. Step 6: Final answer
    x = 7,064,344.07

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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.