Home / 13,012,069.60-19,494,484.80-10,602,870.40

Finding the Fourth Proportional to 13,012,069.60, 19,494,484.80 and 10,602,870.40

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Solution

The fourth proportional to 13,012,069.60, 19,494,484.80 and 10,602,870.40 is: 15,885,059.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012,069.60 : 19,494,484.80 = 10,602,870.40 : x
  2. Step 2: Convert to fraction form
    13,012,069.60/19,494,484.80 = 10,602,870.40/x
  3. Step 3: Cross multiply
    13,012,069.60x = 19,494,484.80 × 10,602,870.40
  4. Step 4: Simplify right side
    13,012,069.60x = 206,697,495,849,169.94
  5. Step 5: Solve for x
    x = 206,697,495,849,169.94/13,012,069.60
  6. Step 6: Final answer
    x = 15,885,059.20

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1.5x scale

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.