Home / 13,366,045.71-18,441,981.72-7,564,827.45

Finding the Fourth Proportional to 13,366,045.71, 18,441,981.72 and 7,564,827.45

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Solution

The fourth proportional to 13,366,045.71, 18,441,981.72 and 7,564,827.45 is: 10,437,672.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366,045.71 : 18,441,981.72 = 7,564,827.45 : x
  2. Step 2: Convert to fraction form
    13,366,045.71/18,441,981.72 = 7,564,827.45/x
  3. Step 3: Cross multiply
    13,366,045.71x = 18,441,981.72 × 7,564,827.45
  4. Step 4: Simplify right side
    13,366,045.71x = 139,510,409,547,854.20
  5. Step 5: Solve for x
    x = 139,510,409,547,854.20/13,366,045.71
  6. Step 6: Final answer
    x = 10,437,672.64

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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.