Finding the Fourth Proportional to 28,732,931.06, 39,652,280.97 and 15,681,029.54
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Solution
The fourth proportional to 28,732,931.06, 39,652,280.97 and 15,681,029.54 is: 21,640,277.07
Step by Step Solution
- Step 1: Write the proportion equation
28,732,931.06 : 39,652,280.97 = 15,681,029.54 : x - Step 2: Convert to fraction form
28,732,931.06/39,652,280.97 = 15,681,029.54/x - Step 3: Cross multiply
28,732,931.06x = 39,652,280.97 × 15,681,029.54 - Step 4: Simplify right side
28,732,931.06x = 621,788,589,218,949.75 - Step 5: Solve for x
x = 621,788,589,218,949.75/28,732,931.06 - Step 6: Final answer
x = 21,640,277.07
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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.