Finding the Fourth Proportional to 19,254,030.08, 28,880,822.64 and 4,681,032.12
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Solution
The fourth proportional to 19,254,030.08, 28,880,822.64 and 4,681,032.12 is: 7,021,494.09
Step by Step Solution
- Step 1: Write the proportion equation
19,254,030.08 : 28,880,822.64 = 4,681,032.12 : x - Step 2: Convert to fraction form
19,254,030.08/28,880,822.64 = 4,681,032.12/x - Step 3: Cross multiply
19,254,030.08x = 28,880,822.64 × 4,681,032.12 - Step 4: Simplify right side
19,254,030.08x = 135,192,058,429,863.20 - Step 5: Solve for x
x = 135,192,058,429,863.20/19,254,030.08 - Step 6: Final answer
x = 7,021,494.09
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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.