Finding the Fourth Proportional to 26,963,973.12, 40,440,040.20 and 7,790,558.70
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Solution
The fourth proportional to 26,963,973.12, 40,440,040.20 and 7,790,558.70 is: 11,684,127.77
Step by Step Solution
- Step 1: Write the proportion equation
26,963,973.12 : 40,440,040.20 = 7,790,558.70 : x - Step 2: Convert to fraction form
26,963,973.12/40,440,040.20 = 7,790,558.70/x - Step 3: Cross multiply
26,963,973.12x = 40,440,040.20 × 7,790,558.70 - Step 4: Simplify right side
26,963,973.12x = 315,050,507,008,459.75 - Step 5: Solve for x
x = 315,050,507,008,459.75/26,963,973.12 - Step 6: Final answer
x = 11,684,127.77
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.