Home / 22,565,970-31,141,038.60-12,908,178

Finding the Fourth Proportional to 22,565,970, 31,141,038.60 and 12,908,178

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Solution

The fourth proportional to 22,565,970, 31,141,038.60 and 12,908,178 is: 17,813,285.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,565,970 : 31,141,038.60 = 12,908,178 : x
  2. Step 2: Convert to fraction form
    22,565,970/31,141,038.60 = 12,908,178/x
  3. Step 3: Cross multiply
    22,565,970x = 31,141,038.60 × 12,908,178
  4. Step 4: Simplify right side
    22,565,970x = 401,974,069,353,670.81
  5. Step 5: Solve for x
    x = 401,974,069,353,670.81/22,565,970
  6. Step 6: Final answer
    x = 17,813,285.64

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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.