Home / 9,285,323.40-13,938,482.70-7,164,808.20

Finding the Fourth Proportional to 9,285,323.40, 13,938,482.70 and 7,164,808.20

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Solution

The fourth proportional to 9,285,323.40, 13,938,482.70 and 7,164,808.20 is: 10,755,312.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285,323.40 : 13,938,482.70 = 7,164,808.20 : x
  2. Step 2: Convert to fraction form
    9,285,323.40/13,938,482.70 = 7,164,808.20/x
  3. Step 3: Cross multiply
    9,285,323.40x = 13,938,482.70 × 7,164,808.20
  4. Step 4: Simplify right side
    9,285,323.40x = 99,866,555,144,518.14
  5. Step 5: Solve for x
    x = 99,866,555,144,518.14/9,285,323.40
  6. Step 6: Final answer
    x = 10,755,312.53

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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.