Home / 10,638,603.28-14,671,306.92-8,470,304.08

Finding the Fourth Proportional to 10,638,603.28, 14,671,306.92 and 8,470,304.08

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Solution

The fourth proportional to 10,638,603.28, 14,671,306.92 and 8,470,304.08 is: 11,681,085.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638,603.28 : 14,671,306.92 = 8,470,304.08 : x
  2. Step 2: Convert to fraction form
    10,638,603.28/14,671,306.92 = 8,470,304.08/x
  3. Step 3: Cross multiply
    10,638,603.28x = 14,671,306.92 × 8,470,304.08
  4. Step 4: Simplify right side
    10,638,603.28x = 124,270,430,863,408.23
  5. Step 5: Solve for x
    x = 124,270,430,863,408.23/10,638,603.28
  6. Step 6: Final answer
    x = 11,681,085.16

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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.