Home / 9,939,521.20-14,909,281.80-8,742,794.80

Finding the Fourth Proportional to 9,939,521.20, 14,909,281.80 and 8,742,794.80

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Solution

The fourth proportional to 9,939,521.20, 14,909,281.80 and 8,742,794.80 is: 13,114,192.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939,521.20 : 14,909,281.80 = 8,742,794.80 : x
  2. Step 2: Convert to fraction form
    9,939,521.20/14,909,281.80 = 8,742,794.80/x
  3. Step 3: Cross multiply
    9,939,521.20x = 14,909,281.80 × 8,742,794.80
  4. Step 4: Simplify right side
    9,939,521.20x = 130,348,791,392,774.66
  5. Step 5: Solve for x
    x = 130,348,791,392,774.66/9,939,521.20
  6. Step 6: Final answer
    x = 13,114,192.20

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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.