Finding the Fourth Proportional to 13,317,134.81, 19,963,706.11 and 4,791,472.52
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Solution
The fourth proportional to 13,317,134.81, 19,963,706.11 and 4,791,472.52 is: 7,182,892.61
Step by Step Solution
- Step 1: Write the proportion equation
13,317,134.81 : 19,963,706.11 = 4,791,472.52 : x - Step 2: Convert to fraction form
13,317,134.81/19,963,706.11 = 4,791,472.52/x - Step 3: Cross multiply
13,317,134.81x = 19,963,706.11 × 4,791,472.52 - Step 4: Simplify right side
13,317,134.81x = 95,655,549,111,623.89 - Step 5: Solve for x
x = 95,655,549,111,623.89/13,317,134.81 - Step 6: Final answer
x = 7,182,892.61
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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.