Finding the Fourth Proportional to 51,371,928.08, 70,896,445.80 and 28,479,384.08
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Solution
The fourth proportional to 51,371,928.08, 70,896,445.80 and 28,479,384.08 is: 39,303,315.75
Step by Step Solution
- Step 1: Write the proportion equation
51,371,928.08 : 70,896,445.80 = 28,479,384.08 : x - Step 2: Convert to fraction form
51,371,928.08/70,896,445.80 = 28,479,384.08/x - Step 3: Cross multiply
51,371,928.08x = 70,896,445.80 × 28,479,384.08 - Step 4: Simplify right side
51,371,928.08x = 2,019,087,109,845,102.75 - Step 5: Solve for x
x = 2,019,087,109,845,102.75/51,371,928.08 - Step 6: Final answer
x = 39,303,315.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.