Home / 15,903,477.42-21,946,222.80-9,718,871.06

Finding the Fourth Proportional to 15,903,477.42, 21,946,222.80 and 9,718,871.06

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Solution

The fourth proportional to 15,903,477.42, 21,946,222.80 and 9,718,871.06 is: 13,411,690.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,903,477.42 : 21,946,222.80 = 9,718,871.06 : x
  2. Step 2: Convert to fraction form
    15,903,477.42/21,946,222.80 = 9,718,871.06/x
  3. Step 3: Cross multiply
    15,903,477.42x = 21,946,222.80 × 9,718,871.06
  4. Step 4: Simplify right side
    15,903,477.42x = 213,292,509,537,501.06
  5. Step 5: Solve for x
    x = 213,292,509,537,501.06/15,903,477.42
  6. Step 6: Final answer
    x = 13,411,690.03

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.