Home / 19,249,965.40-28,874,948.10-12,083,603.80

Finding the Fourth Proportional to 19,249,965.40, 28,874,948.10 and 12,083,603.80

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Solution

The fourth proportional to 19,249,965.40, 28,874,948.10 and 12,083,603.80 is: 18,125,405.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,249,965.40 : 28,874,948.10 = 12,083,603.80 : x
  2. Step 2: Convert to fraction form
    19,249,965.40/28,874,948.10 = 12,083,603.80/x
  3. Step 3: Cross multiply
    19,249,965.40x = 28,874,948.10 × 12,083,603.80
  4. Step 4: Simplify right side
    19,249,965.40x = 348,913,432,585,962.81
  5. Step 5: Solve for x
    x = 348,913,432,585,962.81/19,249,965.40
  6. Step 6: Final answer
    x = 18,125,405.70

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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.