Home / 10,403,783.40-15,605,675.10-9,144,071.40

Finding the Fourth Proportional to 10,403,783.40, 15,605,675.10 and 9,144,071.40

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Solution

The fourth proportional to 10,403,783.40, 15,605,675.10 and 9,144,071.40 is: 13,716,107.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,403,783.40 : 15,605,675.10 = 9,144,071.40 : x
  2. Step 2: Convert to fraction form
    10,403,783.40/15,605,675.10 = 9,144,071.40/x
  3. Step 3: Cross multiply
    10,403,783.40x = 15,605,675.10 × 9,144,071.40
  4. Step 4: Simplify right side
    10,403,783.40x = 142,699,407,359,602.16
  5. Step 5: Solve for x
    x = 142,699,407,359,602.16/10,403,783.40
  6. Step 6: Final answer
    x = 13,716,107.10

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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.