Home / 21,075,962.60-31,592,948.70-9,696,564.20

Finding the Fourth Proportional to 21,075,962.60, 31,592,948.70 and 9,696,564.20

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Solution

The fourth proportional to 21,075,962.60, 31,592,948.70 and 9,696,564.20 is: 14,535,186.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,075,962.60 : 31,592,948.70 = 9,696,564.20 : x
  2. Step 2: Convert to fraction form
    21,075,962.60/31,592,948.70 = 9,696,564.20/x
  3. Step 3: Cross multiply
    21,075,962.60x = 31,592,948.70 × 9,696,564.20
  4. Step 4: Simplify right side
    21,075,962.60x = 306,343,055,336,856.50
  5. Step 5: Solve for x
    x = 306,343,055,336,856.50/21,075,962.60
  6. Step 6: Final answer
    x = 14,535,186.89

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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.