Finding the Fourth Proportional to 51,371,930.08, 70,896,448.56 and 28,479,386.08
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Solution
The fourth proportional to 51,371,930.08, 70,896,448.56 and 28,479,386.08 is: 39,303,318.51
Step by Step Solution
- Step 1: Write the proportion equation
51,371,930.08 : 70,896,448.56 = 28,479,386.08 : x - Step 2: Convert to fraction form
51,371,930.08/70,896,448.56 = 28,479,386.08/x - Step 3: Cross multiply
51,371,930.08x = 70,896,448.56 × 28,479,386.08 - Step 4: Simplify right side
51,371,930.08x = 2,019,087,330,241,100 - Step 5: Solve for x
x = 2,019,087,330,241,100/51,371,930.08 - Step 6: Final answer
x = 39,303,318.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.