Home / 14,671,133.60-21,988,985.70-7,478,965.40

Finding the Fourth Proportional to 14,671,133.60, 21,988,985.70 and 7,478,965.40

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Solution

The fourth proportional to 14,671,133.60, 21,988,985.70 and 7,478,965.40 is: 11,209,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,671,133.60 : 21,988,985.70 = 7,478,965.40 : x
  2. Step 2: Convert to fraction form
    14,671,133.60/21,988,985.70 = 7,478,965.40/x
  3. Step 3: Cross multiply
    14,671,133.60x = 21,988,985.70 × 7,478,965.40
  4. Step 4: Simplify right side
    14,671,133.60x = 164,454,863,231,394.78
  5. Step 5: Solve for x
    x = 164,454,863,231,394.78/14,671,133.60
  6. Step 6: Final answer
    x = 11,209,417.60

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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.