Home / 11,574,897.04-15,970,100.16-9,119,897.20

Finding the Fourth Proportional to 11,574,897.04, 15,970,100.16 and 9,119,897.20

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Solution

The fourth proportional to 11,574,897.04, 15,970,100.16 and 9,119,897.20 is: 12,582,891.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,574,897.04 : 15,970,100.16 = 9,119,897.20 : x
  2. Step 2: Convert to fraction form
    11,574,897.04/15,970,100.16 = 9,119,897.20/x
  3. Step 3: Cross multiply
    11,574,897.04x = 15,970,100.16 × 9,119,897.20
  4. Step 4: Simplify right side
    11,574,897.04x = 145,645,671,732,903.53
  5. Step 5: Solve for x
    x = 145,645,671,732,903.53/11,574,897.04
  6. Step 6: Final answer
    x = 12,582,891.34

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Why These Related Problems?

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